AS Name
Org Name
PRT Systems Limited
Registry Region
United Kingdom
Looking Glass






IPv6 NUMs(/64)


10,496 IPv4 Addresses
CIDR Description IP Num PRT Systems Limited 2048 PRT Systems Limited 512 PRT Systems Limited 256 TITANIUM-RD-NETWORK-1 512 TTP Cloud Ltd 512 TTP Cloud Ltd 512 TTP Cloud Group Ltd 512 TTP Cloud Group Ltd 512 Carrierscotland Ltd 1024 PRT Systems Limited 4096
CIDR Description IP NUMs(prefix /64)
2001:1420::/32 CLEARHOST-INFRASTRUCTURE 4294967296
2001:1420::/30 CLEARHOST-INFRASTRUCTURE 17179869184
2a03:9f00::/32 PRT Systems Limited 4294967296
2a05:b140::/30 TTP Cloud Ltd 17179869184
2a06:2100::/30 TTP Cloud Group Ltd 17179869184
2a0c:c740::/32 Carrierscotland Ltd 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8426 CLARANET-AS - ClaraNET LTD, GB United Kingdom 976,128 107,374,706,688 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 38,468,164 25,789,661,440 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 514,816 282,635,155,472,384 IPv4 IPv4 IPv6 IPv6
AS25160 VORBOSS_AS - Vorboss Limited, GB United Kingdom 15,104 4,294,967,296 IPv4 IPv4
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 1,280 1,310,720 IPv4 IPv4 IPv6 IPv6
AS16265 LEASEWEB-NETWORK - LeaseWeb Network B.V., NL Netherlands 768 196,608 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS31742 SOTACONNECT - Sota Solutions Ltd., GB United Kingdom 9,984 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS35266 EXN-AS - EX Networks Limited, GB United Kingdom 4,352 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 56,064 42,950,524,928 IPv6 IPv6
AS8943 JUMP - Jump Networks Ltd, GB United Kingdom 14,592 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS21371 EQUINIX-UK-ASN - EQUINIX (SERVICES) LIMITED, GB United Kingdom 47,104 8,589,934,592 IPv4 IPv4
AS31463 FourD-AS - 4D Data Centres Limited, GB United Kingdom 38,144 77,326,254,080 IPv4 IPv4 IPv6 IPv6
AS49434 HARMONYHOSTING-AS - Harmony Hosting SARL, FR France 2,304 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS62240 Clouvider - Clouvider Limited, GB United Kingdom 94,720 262,531,448,832 IPv4 IPv4
AS199422 REZOPOLE - Rezopole A.D., FR France 1,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS44684 MYTHIC - Mythic Beasts Ltd, GB United Kingdom 8,192 73,014,509,568 IPv6 IPv6
AS9009 M247 - M247 Ltd, GB United Kingdom 988,672 339,397,378,304 IPv4 IPv4 IPv6 IPv6
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS31122 DIGIWEB-AS - Digiweb ltd, IE Ireland 153,344 21,474,836,480 IPv6 IPv6
AS25091 IP-MAX - IP-Max SA, CH Switzerland 13,312 34,359,738,368 IPv4 IPv4
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS50300 CUSTDC - CustodianDC Limited, GB United Kingdom 12,288 23,068,672 IPv4 IPv4 IPv6 IPv6
AS57199 MilkyWan, FR France 1,280 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS57695 MISAKA-BACKBONE-AS - Misaka Network, Inc., US United States 4,608 9,197,191,168 IPv4 IPv4 IPv6 IPv6
AS6894 KDDI-EUROPE - KDDI Europe Ltd, GB United Kingdom 10,752 4,294,967,296 IPv4 IPv4
AS39180 LASOTEL - LASOTEL SAS, FR France 18,688 4,294,967,296 IPv4 IPv4
AS200780 APPLIWAVE - APPLIWAVE SAS, FR France 9,984 68,719,476,736 IPv4 IPv4
AS6233 XTOM, US United States 5,376 1,179,648 IPv4 IPv4 IPv6 IPv6
AS8468 ENTANET - ENTANET International Limited, GB United Kingdom 360,448 68,719,542,272 IPv4 IPv4
AS20562 OPEN-PEERING-AS - Broadband Hosting B.V, NL Netherlands 2,304 0 IPv4 IPv4
AS23738 TEEMO-AS-AP - Bandle City Internet LLC, US United States 3,328 38,928,384 IPv4 IPv4 IPv6 IPv6
AS28792 PUBLIC-INTERNET - Public Internet Ltd, GB United Kingdom 6,400 4,294,967,296 IPv4 IPv4
AS50903 TRINAPS - TRINAPS SAS, FR France 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS64271 RIXCLOUD-INC - rixCloud, US United States 4,352 11,542,790,144 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8356 NEOTEL-UK - PRT Systems Limited, GB United Kingdom 5,120 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS52063 SYSTEMIP - SystemIP. Ltd, GB United Kingdom 3,072 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS56739 DICO - PRT Systems Limited, GB United Kingdom 256 0 IPv4 IPv4
AS200707 APPMAIL - Integrated Digital Services Ltd, GB United Kingdom 768 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS207995 LightningFibre - Lightning Fibre Ltd, GB United Kingdom 3,072 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS197898 IDSI - Integrated Digital Services Ltd, GB United Kingdom 5,376 4,311,744,512 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United Kingdom LONAP - London Network Access Point 2001:7f8:17::21e4:1 1 Gbps 2016-03-22 09:25:22
United Kingdom LONAP - London Network Access Point 2001:7f8:17::21e4:2 1 Gbps 2016-03-22 09:25:22

Private Peering Facilities

Country/Region Name City Website Updated
IP Address Domain NUMs Domains 6 6 1
as-block:       AS8525 - AS8769
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:        2018-11-22T15:27:23Z
last-modified:  2018-11-22T15:27:23Z
source:         RIPE

aut-num:        AS8676
as-name:        PRTSYSTEMS
descr:          PRT Systems Ltd (Clearhost Transit AS)
descr:          * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
descr:          This AS number is used as the transit provider for all of the
descr:          ISPs/services operating loosely under the 'Clearhost' umbrella.
descr:          These are (currently):
descr:          PRT Systems,, Dico, My Hosting Bubble,
descr:          Neo-Tel and SystemIP.
descr:          * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
import:         from AS2818 action pref=500; accept AS-BBC
export:         to AS2818 announce AS-PSYS
import:         from AS3213 action pref=500; accept AS-BOGONS
export:         to AS3213 announce AS-PSYS
import:         from AS3356 action pref=200; accept ANY
export:         to AS3356 announce AS-PSYS
import:         from AS5459 action pref=600; accept AS-LINX
export:         to AS5459 announce AS-PSYS
import:         from AS6939 action pref=500; accept ANY
export:         to AS6939 announce AS-PSYS
import:         from AS8330 action pref=500; accept AS-LONAP
export:         to AS8330 announce AS-PSYS
import:         from AS8356 action pref=900; accept AS-NEOTEL
export:         to AS8356 announce ANY
import:         from AS8401 action pref=500; accept AS-MAILBOX
export:         to AS8401 announce AS-PSYS
import:         from AS8419 action pref=500; accept AS-HOTCHILLI
export:         to AS8419 announce AS-PSYS
import:         from AS8550 action pref=500; accept AS-SET-LONAP-CONNECTED
export:         to AS8550 announce AS-PSYS
import:         from AS8553 action pref=500; accept AS-AVENSYS
export:         to AS8553 announce AS-PSYS
import:         from AS8622 action pref=500; accept AS-ISIONUK
export:         to AS8622 announce AS-PSYS
import:         from AS8689 action pref=500; accept AS-POWERNET
export:         to AS8689 announce AS-PSYS
import:         from AS8838 action pref=500; accept AS-QIX-LONAP
export:         to AS8838 announce AS-PSYS
import:         from AS8897 action pref=500; accept AS-KCOMSPN
export:         to AS8897 announce AS-PSYS
import:         from AS8943 action pref=200; accept ANY
export:         to AS8943 announce AS-PSYS
import:         from AS12390 action pref=500; accept AS-KINGSTONUK
export:         to AS12390 announce AS-PSYS
import:         from AS12519 action pref=500; accept AS-FASTNET
export:         to AS12519 announce AS-PSYS
import:         from AS13037 action pref=500; accept AS-ZEN
export:         to AS13037 announce AS-PSYS
import:         from AS20712 action pref=500; accept AS-AA
export:         to AS20712 announce AS-PSYS
import:         from AS20940 action pref=500; accept AS-AKAMAI
export:         to AS20940 announce AS-PSYS
import:         from AS21371 action pref=200; accept ANY
export:         to AS21371 announce AS-PSYS
import:         from AS25577 action pref=500; accept AS-C4L
export:         to AS25577 announce AS-PSYS
import:         from AS29550 action pref=500; accept AS-AS29550
export:         to AS29550 announce AS-PSYS
import:         from AS31459 action pref=500; accept AS31459
export:         to AS31459 announce AS-PSYS
import:         from AS42579 action pref=500; accept AS-SARGASSO-UK
export:         to AS42579 announce AS-PSYS
import:         from AS44684 action pref=500; accept AS-MYTHIC
export:         to AS44684 announce AS-PSYS
import:         from AS51406 action pref=500; accept AS51406
export:         to AS51406 announce AS-PSYS
import:         from AS52063 action pref=900; accept AS52063
export:         to AS52063 announce ANY
import:         from AS56739 action pref=900; accept AS-DICO
export:         to AS56739 announce ANY
import:         from AS197898 action pref=900; accept AS-IDSI
export:         to AS197898 announce ANY
import:         from AS207995 action pref=900; accept AS-LIGHTNINGFIBRE
export:         to AS207995 announce ANY
remarks:        "I take it that the odds are against us and
remarks:        the situation is grim."
remarks:        "You could say that."
remarks:        "You know, if Spock were here he'd say I was
remarks:        an irrational, illogical human being by
remarks:        taking on a mission like that.  Sounds like fun!"
remarks:        *******************************************
remarks:        *      We have an open peering policy     *
remarks:        *    If you would like to peer, please    *
remarks:        *     contact: [email protected]     *
remarks:        *******************************************
admin-c:        PSYS-RIPE
tech-c:         PSYS-RIPE
org:            ORG-PSL1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8676-MNT
created:        2002-09-16T21:20:30Z
last-modified:  2020-07-06T11:02:12Z
source:         RIPE

organisation:   ORG-PSL1-RIPE
org-name:       PRT Systems Limited
org-type:       LIR
address:        Stone Quarry Road, Chelwood Gate, Haywards Heath
address:        RH17 7LS
address:        West Sussex
address:        UNITED KINGDOM
phone:          +44 1825 740756
fax-no:         +44 1825 740136
mnt-ref:        AS8676-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8676-MNT
admin-c:        DH217
admin-c:        PT595
admin-c:        BARN5-RIPE
admin-c:        MJH-RIPE
abuse-c:        PSYS-RIPE
created:        2004-04-17T12:20:36Z
last-modified:  2016-10-25T08:35:47Z
source:         RIPE # Filtered

role:           PRT Systems Ltd Hostmaster
address:        Herons Brook
address:        Stone Quarry Road
address:        Chelwood Gate
address:        Haywards Heath
address:        West Sussex
address:        RH17 7LS
address:        UK
abuse-mailbox:  [email protected]
remarks:        trouble:      [email protected]
admin-c:        PRT
tech-c:         CAT666-RIPE
tech-c:         PRT
tech-c:         DH217
tech-c:         BARN5-RIPE
nic-hdl:        PSYS-RIPE
remarks:        Step up to Red Alert!
remarks:        Sir, are you absolutely sure?
remarks:        It does mean changing the bulb!
remarks:        It seems that the bulb changing comments are causing amusement :)
remarks:        Really?  Who is being so entertained?
remarks:        The weasels who have eaten our phone system.
remarks:        They didn't eat it; they just cause it to hang if DNS resolution fails.
mnt-by:         AS8676-MNT
created:        2002-09-12T11:37:44Z
last-modified:  2014-04-24T08:05:36Z
source:         RIPE # Filtered