AS Number
AS Name
Org Name
Telekom Deutschland GmbH






AS20570 Looking Glass






IPv6 NUMs(/64)


13,312 IPv4 Addresses
CIDR Description IP Num
IRR Valid
DAW SE 256
IRR InValid
voestalpine AG 512
IRR Valid
DekaBank Deutsche Girozentrale 256
IRR Valid
Deutsche Telekom Healthcare and Solutions GmbH 2048
IRR Valid
EUROGATE GmbH & Co. KGaA, KG 4096
IRR Valid
Mannesmann Precision Tubes GmbH 256
IRR Valid
Telekom Deutschland GmbH 256
IRR Valid
TNT Express GmbH 4096
IRR Parent Valid
TNT Express GmbH 256
IRR Valid
Kaeser Kompressoren AG 256
IRR Parent Valid
AMC International Alfa Metalcraft Corporation AG 256
IRR Valid
Hager Electro GmbH & Co. KG 256
IRR Valid
Markus Helm trading as Krauss-Maffei Wegmann GmbH & Co. KG 256
IRR InValid
Schwaebisch Hall Kreditservice AG 512
CIDR Description IP NUMs(prefix /64)
IRR Valid
Viessmann IT Service GmbH 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,251,328 25,770,721,280 IPv4 IPv4
AS48951 ASN-TSI-IAS - Telekom Deutschland GmbH, DE Germany 68,352 34,359,738,368 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains 12 1 1 1 1 1 1 1 1 1
as-block:       AS20485 - AS20857
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

aut-num:        AS20570
as-name:        ASN-TSI-IPLS
org:            ORG-TDG1-RIPE
descr:          Internet and VPN Service Provider
descr:          Nauheimer Str. 101
descr:          D-70372 Stuttgart
descr:          ---------------------------------------------------------
descr:          For routing/peering issues, e-mail <>
descr:          For all other issues, e-mail <>
descr:          each CC to <>
descr:          ---------------------------------------------------------
import:         from AS3320 action pref=200; accept ANY
import:         from AS48951 action pref=200; accept ANY
import:         from AS34009 action pref=100; accept AS34009
import:         from AS-TSI-V4 action pref=100; accept AS-TSI-V4
export:         to AS3320 announce AS20570
export:         to AS48951 announce AS20570
export:         to AS-TSI-V4 announce any
export:         to AS34009 announce any
remarks:        ------------------------
remarks:        IPv6
mp-import:      afi ipv6.unicast from AS3320 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS3320 announce AS-TSBS-V6
remarks:        ------------------------
remarks:        URL: <>
admin-c:        TSAC-RIPE
tech-c:         AS8728-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-TMD
created:        2001-11-20T12:48:57Z
last-modified:  2020-06-11T09:31:15Z
source:         RIPE

organisation:   ORG-TDG1-RIPE
org-name:       Telekom Deutschland GmbH
country:        DE
org-type:       LIR
address:        Landgrabenweg 151
address:        53227
address:        Bonn
address:        GERMANY
phone:          +492281810
fax-no:         +492281810
abuse-c:        AR13837-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-TMD
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-TMD
admin-c:        AS8728-RIPE
admin-c:        MM23866-RIPE
admin-c:        MS47198-RIPE
admin-c:        TH12429-RIPE
created:        2004-04-17T11:06:35Z
last-modified:  2020-12-16T12:29:50Z
source:         RIPE

role:           Admin-C Role Account for T-Systems Business Services GmbH
address:        Maybachstr. 57
address:        D-70469 Stuttgart
admin-c:        UT1469-RIPE
admin-c:        NW1975-RIPE
admin-c:        SP20089-RIPE
admin-c:        RL4704-RIPE
admin-c:        JK9999-RIPE
tech-c:         TSBS-RIPE
nic-hdl:        TSAC-RIPE
mnt-by:         DE-TSBS-MNT
created:        2006-11-06T14:54:40Z
last-modified:  2021-12-09T12:56:53Z
source:         RIPE

person:         Alexander Schloesser
address:        Telekom Deutschland GmbH
address:        Landgrabenweg 151
address:        D-53227 Bonn
address:        Germany
phone:          +49 228 181 0
mnt-by:         MNT-TMD
nic-hdl:        AS8728-RIPE
created:        2005-08-09T11:13:06Z
last-modified:  2018-08-22T11:42:49Z
source:         RIPE