AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
OT-AS OT - OPTIMA TELEKOM d.d. 15 1 97,280 4,294,967,296 Croatia
97,280 IPv4 Addresses
CIDR Description IP Num
5.43.160.0/19 OPTIMA-TELEKOM 8192
85.114.32.0/19 OT - OPTIMA TELEKOM d.d. 8192
85.114.34.0/24 OPTIMA-TELEKOM 256
85.114.39.0/24 OPTIMA-TELEKOM 256
85.114.41.0/24 OPTIMA-TELEKOM 256
89.201.128.0/17 OT - OPTIMA TELEKOM d.d. 32768
89.201.175.0/24 MARATELA-MREZE 256
95.178.128.0/19 OPTIMA-TELEKOM 8192
95.178.128.0/17 OPTIMA-TELEKOM 32768
95.178.160.0/19 OPTIMA-TELEKOM 8192
95.178.192.0/19 OPTIMA-TELEKOM 8192
151.252.208.0/21 OT - OPTIMA TELEKOM d.d. 2048
151.252.224.0/19 OT - OPTIMA TELEKOM d.d. 8192
176.222.32.0/20 OT - OPTIMA TELEKOM d.d. 4096
185.18.60.0/22 OPTIMA-TELEKOM 1024
CIDR Description IP NUMs(prefix /64)
2a02:ac8::/32 OT - OPTIMA TELEKOM d.d. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS34779 T-2-AS - T-2, d.o.o., SI Slovenia 201,728 34,359,738,368 IPv4 IPv4
AS1299 TELIANET - Telia Company AB, SE Sweden 310,272 17,605,071,077,376 IPv4 IPv4 IPv6 IPv6
AS3320 DTAG - Deutsche Telekom AG, DE Germany 34,105,856 35,373,378,502,656 IPv4 IPv4 IPv6 IPv6
AS5391 T-HT - Hrvatski Telekom d.d., HR Croatia 1,122,304 4,294,967,296 IPv4 IPv4
AS6730 SUNRISE - Sunrise Communications AG, CH Switzerland 876,544 137,439,150,080 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 524,800 282,708,169,785,344 IPv4 IPv4 IPv6 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 95,744 244,813,135,872 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS203455 hr-valsil - Valsil d.o.o., HR Croatia 768 536,870,912 IPv4 IPv4 IPv6 IPv6
AS25277 POSLUH - POSLuH d.o.o, za informaticke usluge i trgovinu, HR Croatia 512 0 IPv4 IPv4
AS48797 OIV-AS - Odasiljaci i veze d.o.o., HR Croatia 3,072 0 IPv4 IPv4
AS52172 ZGH - Zagrebacki holding d.o.o., HR Croatia 256 0 IPv4 IPv4
AS198785 SEDMIODJEL-AS - Sedmi Odjel d.o.o., HR Croatia 75,520 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS34362 VOLJATEL-HR-AS - Terrakom d.o.o., HR Croatia 20,224 0 IPv4 IPv4
AS198548 OVERSEAS-AS - Overseas Trade Co. Ltd. d.o.o., HR Croatia 256 0 IPv4 IPv4
AS31095 SPARIGT-AS - Spar Business Services GmbH, AT Austria 512 0 IPv4 IPv4
AS41336 HITRONET-AS - Financijska agencija, HR Croatia 4,608 0 IPv4 IPv4
AS61995 KRK-AS - KRK sistemi d.o.o. za telekomunikacije, HR Croatia 1,024 0 IPv4 IPv4
AS203254 KTVNET-AS - KTVnet d.o.o., HR Croatia 1,024 0 IPv4 IPv4
AS28837 VM-DE-NET - Avola Solutions d.o.o., GB United Kingdom 2,048 0 IPv4 IPv4
AS34748 OT-AS - OT - OPTIMA TELEKOM d.d., HR Croatia 27,648 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS197716 MULTIKOMUNIKACIJE-HR - MULTI KOMUNIKACIJE d.o.o., HR Croatia 512 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Croatia CIX - Croatian Internet Exchange 185.1.87.76 2001:7f8:28::7:0 20 Gbps 2018-12-21 11:25:01

Private Peering Facilities

Country/Region Name City Website Updated
SRCE Zagreb Zagreb http://www.cix.hr 2016-03-14 21:48:48
IP Address Domain NUMs Domains
5.43.168.26 1 sibilopi.duckdns.org
5.43.174.208 1 kumenat.duckdns.org
as-block:       AS33792 - AS35839
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE



aut-num:        AS34594
as-name:        OT-AS
org:            ORG-Otd1-RIPE
remarks:        ------------------------- IPv4 UPSTREAM ------------------------
remarks:        - Hurricane Electric
remarks:        from AS6939 accept ANY
remarks:        to AS6939 announce AS-OPTIMA
remarks:        - DTAG:
import:         from AS3320 accept ANY
export:         to AS3320 announce AS-OPTIMA
remarks:        - Croatian Telecom:
import:         from AS5391 accept ANY
export:         to AS5391 announce AS-OPTIMA
remarks:        - TELIA:
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-OPTIMA
remarks:        ------------------------- IPv6 UPSTREAM ------------------------
remarks:        ----------------------------------------------------------------
remarks:        - DTAG:
mp-import:      afi ipv6.unicast from AS3320 accept ANY
mp-export:      afi ipv6.unicast to AS3320 announce AS-OPTIMA-IPV6
remarks:        -Croatian Telecom
mp-import:      afi ipv6.unicast from AS5391 accept ANY
mp-export:      afi ipv6.unicast to AS5391 announce AS-OPTIMA-IPV6
remarks:        -Telia
mp-import:      afi ipv6.unicast from AS1299 accept ANY
mp-export:      afi ipv6.unicast to AS1299 announce AS-OPTIMA-IPV6
remarks:        - Hurricane Electric:
mp-import:      afi ipv6.unicast from AS6939 accept ANY
mp-export:      afi ipv6.unicast to AS6939 announce AS-OPTIMA-IPV6
remarks:        ----------------------------------------------------------------
remarks:        ---------- Customers of Optima Telekom d.d. --------------------
remarks:        ---------- Announced in AS-OPTIMA --------------------
remarks:        ----------------------------------------------------------------
remarks:        - Spar:
import:         from AS31095 accept AS31095
export:         to AS31095 announce ANY
remarks:        - HEP:
import:         from AS25328 accept AS-HEP
export:         to AS25328 announce ANY
remarks:        - Kreditna banka:
import:         from AS48621 accept AS48621
export:         to AS48621 announce ANY
remarks:        - Sedmi odjel:
import:         from AS198785 accept AS-SEDMIODJEL
export:         to AS198785 announce ANY
remarks:        - Voljatel HR:
import:         from AS34362 accept AS-VLT-HR
export:         to AS34362 announce ANY
remarks:        - Akton:
import:         from AS25467 accept AS-AKTON
export:         to AS25467 announce ANY
remarks:        - MZSS:
import:         from AS197823 accept AS197823
export:         to AS197823 announce ANY
remarks:        - Hrvatska posta:
import:         from AS196622 accept AS196622
export:         to AS196622 announce ANY
remarks:        - Multikomunikacije:
import:         from AS197716 accept AS197716
export:         to AS197716 announce ANY
remarks:        - OiV:
import:         from AS48797 accept AS48797
export:         to AS48797 announce ANY
remarks:        - Overseas express
import:         from AS198548 accept AS198548
export:         to AS198548 announce {0.0.0.0/0}
remarks:        - APIS IT d.o.o.
import:         from AS199401 accept AS199401
export:         to AS199401 announce {0.0.0.0/0}
remarks:        - Splitska Banka
import:         from AS59786 accept AS59786
export:         to AS59786 announce AS-OPTIMA AND {0.0.0.0/0}
remarks:        - Reversing Labs
import:         from AS201679 accept AS201679
export:         to AS201679 announce {0.0.0.0/0}
remarks:        - KTVnet
import:         from AS203254 accept AS203254
export:         to AS203254 announce ANY
remarks:        - Fina
import:         from AS41336 accept AS41336
export:         to AS41336 announce ANY
remarks:        - H1 Telekom
import:         from AS34748 accept AS-PORTUS
export:         to AS34748 announce ANY
remarks:        - Zagrebacki Holding
import:         from AS52172 accept AS52172
export:         to AS52172 announce ANY
remarks:        - Krk Sistemi
import:         from AS61995 accept  AS61995
export:         to  AS61995 announce ANY
remarks:        - Filip Informatika
import:         from AS208057 accept AS208057
export:         to  AS208057 announce ANY
remarks:        ----------------------------------------------------------------
remarks:        ----------------------------------------------------------------
remarks:        ----------------------------------------------------------------
remarks:        ---------- IPv6 Customers of Optima Telekom d.d. ---------------
remarks:        ---------- Announced in AS-OPTIMA-IPV6 ---------------
remarks:        ----------------------------------------------------------------
remarks:        - Sedmi odjel:
mp-import:      afi ipv6.unicast from AS198785 accept AS198785
mp-export:      afi ipv6.unicast to AS198785 announce ANY
remarks:        - Splitska Banka:
mp-import:      afi ipv6.unicast from AS59786 accept AS59786
mp-export:      afi ipv6.unicast to AS59786 announce AS-OPTIMA AND {::/0}
remarks:        - H1 Telekom
mp-export:      afi ipv6.unicast to AS34748 announce ANY
remarks:        - Krk Sistemi:
mp-import:      afi ipv6.unicast from  AS61995 accept  AS61995
mp-export:      afi ipv6.unicast to  AS61995 announce ANY
remarks:        - Valsil:
mp-import:      afi ipv6.unicast from  AS203455 accept  AS203455
mp-export:      afi ipv6.unicast to  AS203455 announce ANY
remarks:        ----------------------------------------------------------------
remarks:        ---------- CIX - Croatian Internet Exchange --------------------
remarks:        ----------------------------------------------------------------
remarks:        - Vodatel:
import:         from AS25528 action pref=900; accept AS-VODATEL
export:         to AS25528 announce AS-OPTIMA
remarks:        - Iskon:
import:         from AS13046 action pref=900; accept AS-ISKON
export:         to AS13046 announce AS-OPTIMA
remarks:        - CARNet:
import:         from AS2108 action pref=900; accept AS2108
export:         to AS2108 announce AS-OPTIMA
remarks:        - SoftNet:
import:         from AS9119 action pref=900; accept AS9119 and AS31095
export:         to AS9119 announce AS-OPTIMA
remarks:        - Vipnet:
import:         from AS12810 action pref=900; accept AS12810
export:         to AS12810 announce AS-OPTIMA
remarks:        - Vox Mundi:
import:         from AS25064 action pref=900; accept AS25064
export:         to AS25064 announce AS-OPTIMA
remarks:        - B.NET:
import:         from AS31012 action pref=900; accept AS-DCM-ASSET
export:         to AS31012 announce AS-OPTIMA
remarks:        - Metronet:
import:         from AS35549 action pref=900; accept AS-METRONET
export:         to AS35549 announce AS-OPTIMA
remarks:        - OKTV:
import:         from AS41454 action pref=900; accept AS41454
export:         to AS41454 announce AS-OPTIMA
remarks:        - AMIS Hrvatska:
import:         from AS29485 action pref=900; accept AS-AMIS
export:         to AS29485 announce AS-OPTIMA
remarks:        - HEP:
import:         from AS25328 action pref=900; accept AS25328
export:         to AS25328 announce AS-OPTIMA
remarks:        - i3b:
import:         from AS39912 action pref=900; accept AS-I3B
export:         to AS39912 announce AS-OPTIMA
remarks:        - Omonia:
import:         from AS44306 action pref=900; accept AS44306
export:         to AS44306 announce AS-OPTIMA
remarks:        - Magic Telekom:
import:         from AS44377 action pref=900; accept AS44377
export:         to AS44377 announce AS-OPTIMA
remarks:        ----------------------------------------------------------------
remarks:        ---------- IPv6 peering at Croatian Internet Exchange - CIX ----
remarks:        ----------------------------------------------------------------
remarks:        - CARNet:
mp-import:      afi ipv6.unicast from AS2108 accept AS2108
mp-export:      afi ipv6.unicast to AS2108 announce AS-OPTIMA-IPV6
remarks:        - Iskon
mp-import:      afi ipv6.unicast from AS13046 accept AS13046
mp-export:      afi ipv6.unicast to AS13046 announce AS-OPTIMA-IPV6
remarks:        ----------------------------------------------------------------
remarks:        ---------------- Private Peerings -----------------------------
remarks:        ----------------------------------------------------------------
remarks:        - Voljatel:
import:         from AS34362 action pref=900; accept AS34362
export:         to AS34362 announce AS-OPTIMA
remarks:        - OiV:
import:         from AS48797 action pref=900; accept AS48797
export:         to AS48797 announce AS-OPTIMA
remarks:        - SiOL:
import:         from AS5603 accept AS-SIOL
export:         to AS5603 announce AS-OPTIMA
remarks:        ----------------------------------------------------------------
remarks:        ---------- BGP community support for transit customers ---------
remarks:        ----------------------------------------------------------------
remarks:        34594:200 - Customer route
remarks:        34594:100 - Peer route
remarks:        ----------------------------------------------------------------
remarks:        Regional communities:
remarks:        ----------------------------------------------------------------
remarks:        34594:10 - POP Zagreb, HR
remarks:        34594:20 - CIX - Croatian Internet Exchange, Zagreb, HR
remarks:        34594:30 - VIX - Vienna Internet Exchange, Interxion, Vienna, AT
remarks:        Those communites are removed at ingress and they are set only by
remarks:        Optima Telekom.
remarks:        ----------------------------------------------------------------
remarks:        Accepted communities
remarks:        ----------------------------------------------------------------
remarks:        Customer traffic engineering communities - LocalPref
remarks:        ----------------------------------------------------------------
remarks:        34594:70 - set local preference to 70
remarks:        34594:80 - set local preference to 80
remarks:        34594:90 - set local preference to 90
remarks:        ----------------------------------------------------------------
remarks:        Customer traffic engineering communities - Suppression
remarks:        ----------------------------------------------------------------
remarks:        34594:1120 - do not announce route to AS1299 (Telia)
remarks:        34594:1130 - do not announce route to AS34362 (Voljatel HR)
remarks:        34594:1140 - do not announce route to CIX peers
remarks:        34594:1150 - do not announce route to VIX peers
remarks:        34594:1160 - do not announce route to AS6939 (Hurricane Electric)
remarks:        34594:1170 - do not announce route to AS5603 (SiOL)
remarks:        34594:1180 - do not announce route to AS5391 (Hrvatski Telekom)
remarks:        34594:1190 - do not announce route to AS3320 (Deutsche Telekom)
remarks:        ----------------------------------------------------------------
remarks:        Customer traffic engineering communities - Prepending
remarks:        ----------------------------------------------------------------
remarks:        34594:1001 - prepend once to all upstream providers
remarks:        34594:1002 - prepend twice to all upstream providers
remarks:        34594:1003 - prepend three times to all upstream providers
remarks:        34594:1021 - prepend once to AS1299 (Telia)
remarks:        34594:1022 - prepend twice to AS1299 (Telia)
remarks:        34594:1023 - prepend three times to AS1299 (Telia)
remarks:        34594:1071 - prepend once to AS6939 (Hurricane Electric)
remarks:        34594:1072 - prepend twice to AS6939 (Hurricane Electric)
remarks:        34594:1073 - prepend three times to AS6939 (Hurricane Electric)
remarks:        34594:1081 - prepend once to AS5391 (Hrvatski Telekom)
remarks:        34594:1082 - prepend twice to AS5391 (Hrvatski Telekom)
remarks:        34594:1083 - prepend three times to AS5391 (Hrvatski Telekom)
remarks:        34594:1091 - prepend once to AS3320 (Deutsche Telekom)
remarks:        34594:1092 - prepend twice to AS3320 (Deutsche Telekom)
remarks:        34594:1093 - prepend three times to AS3320 (Deutsche Telekom)
remarks:        ----------------------------------------------------------------
remarks:        Customer traffic engineering communities - Blackhole
remarks:        ----------------------------------------------------------------
remarks:        34594:666
remarks:        Blackholing is possible only for routes registred at customer's
remarks:        own AS number and not for entire AS-SET
remarks:        ----------------------------------------------------------------
admin-c:        OT1068-RIPE
tech-c:         OT1068-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OT-MNT
created:        2005-02-21T07:40:25Z
last-modified:  2019-12-09T08:07:38Z
source:         RIPE

organisation:   ORG-OTD1-RIPE
org-name:       OT - OPTIMA TELEKOM d.d.
org-type:       LIR
address:        Bani 75a, Buzin
address:        10010
address:        Zagreb
address:        CROATIA
phone:          +38515492690
fax-no:         +38515492109
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        OT-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         OT-MNT
admin-c:        OT1068-RIPE
abuse-c:        OT1068-RIPE
created:        2005-01-12T06:11:16Z
last-modified:  2017-02-09T12:49:31Z
source:         RIPE # Filtered

role:           OT administration
address:        OT - Optima Telekom d.d.
address:        Bani 75a, Buzin
address:        10010 Zagreb
address:        Croatia (Hrvatska)
admin-c:        TG7878-RIPE
tech-c:         TR5521-RIPE
tech-c:         DB23394-RIPE
tech-c:         ZK558-RIPE
tech-c:         IM5607-RIPE
nic-hdl:        OT1068-RIPE
mnt-by:         OT-MNT
created:        2005-02-16T09:19:52Z
last-modified:  2018-11-22T14:39:22Z
source:         RIPE # Filtered
abuse-mailbox:  [email protected]