AS3292 TDC Holding A/S

Denmark TDC RIPE 173 IPv4 prefixes 4 IPv6 prefixes
IPv4 addresses
5,188,608
IPv6 /48 networks
655,361
RPKI
119 valid3 invalid55 no ROA
Peers and downstreams
239

Holder

AS name
TDC
Description
TDC A/S
Organisation
TDC Holding A/S
Abuse contact
postmaster@abuse.mail.dk
Assigned
1995-01-16
Registered
2002-09-20
Record last changed
2026-09-22 23:00 UTC
128.76.0.0/18128.76.128.0/17128.77.128.0/17131.164.0.0/16136.238.207.0/24147.29.150.0/23176.20.0.0/17176.20.224.0/19176.21.0.0/16176.22.0.0/17176.22.160.0/19176.22.192.0/18176.23.0.0/17176.23.160.0/19176.23.192.0/18185.116.10.0/23185.116.8.0/22185.116.8.0/23185.127.48.0/22185.127.99.0/24185.149.231.0/24185.171.196.0/22185.218.80.0/23185.218.82.0/24185.72.36.0/22185.72.36.0/24185.72.37.0/24185.72.38.0/24185.72.39.0/24188.176.0.0/13188.180.108.0/24192.66.103.0/24192.66.104.0/24192.66.105.0/24192.66.106.0/24192.66.107.0/24192.66.108.0/24192.66.109.0/24192.66.110.0/24192.66.111.0/24192.66.112.0/24192.66.113.0/24192.66.114.0/24192.66.115.0/24192.66.175.0/24192.66.180.0/24192.66.181.0/24192.66.25.0/24192.66.33.0/24192.66.36.0/24192.66.38.0/24193.105.30.0/23193.138.115.0/24193.162.110.0/24193.162.111.0/24193.162.145.0/24193.162.146.0/24193.162.152.0/21193.162.48.0/21193.162.75.0/24193.162.98.0/23193.163.100.0/24193.163.106.0/24193.163.107.0/24193.163.110.0/24193.163.118.0/24193.163.132.0/23193.163.136.0/24193.163.137.0/24193.163.138.0/24193.163.139.0/24193.163.140.0/24193.163.160.0/21193.163.24.0/22193.163.32.0/24193.200.44.0/23193.238.204.0/22193.239.48.0/24193.26.218.0/24193.3.130.0/23193.3.140.0/24193.3.141.0/24193.3.142.0/24193.3.224.0/22193.32.65.0/24193.39.139.0/24193.41.12.0/24193.41.13.0/24193.88.0.0/15193.89.98.0/24194.182.128.0/20194.182.144.0/21194.182.232.0/21194.182.240.0/20194.192.0.0/16194.239.0.0/16194.246.103.0/24194.247.32.0/24194.247.43.0/24194.247.58.0/24194.99.114.0/23195.137.178.0/24195.184.32.0/19195.215.0.0/16195.246.198.0/24195.249.0.0/16195.41.0.0/16195.60.160.0/23195.88.36.0/23195.95.181.0/24195.97.128.0/182.104.0.0/142.108.0.0/152.110.0.0/202.110.16.0/222.110.32.0/202.111.0.0/162.21.28.0/22212.130.0.0/16217.28.160.0/23217.28.162.0/24217.28.164.0/22217.28.168.0/2145.65.84.0/225.44.136.0/215.44.136.0/2462.135.128.0/1762.242.0.0/1562.80.203.0/2462.80.205.0/2480.160.0.0/1380.196.0.0/1480.245.100.0/2280.62.0.0/1580.91.128.0/2081.31.80.0/2083.88.0.0/1483.92.0.0/1583.94.0.0/1883.94.128.0/1783.94.96.0/1983.95.0.0/1685.129.0.0/1787.104.224.0/2187.48.0.0/1387.48.171.0/2487.56.128.0/1787.56.32.0/1987.57.0.0/1687.58.160.0/1987.58.224.0/1987.58.32.0/1987.59.0.0/1687.60.0.0/1687.61.0.0/1787.61.128.0/1887.61.224.0/1987.62.0.0/1591.199.190.0/2491.227.177.0/2492.43.176.0/2193.160.0.0/1493.164.0.0/1793.164.160.0/1993.164.192.0/1893.165.0.0/1893.165.128.0/1793.165.96.0/1993.166.0.0/1593.178.128.0/1894.189.0.0/1795.166.128.0/1795.166.64.0/18

Routing changes

Last 30 days
2026-10-03 22:57 UTCNeighbour gone AS29100 peer
2026-10-03 22:57 UTCNew neighbour AS206418 peer
2026-10-03 22:57 UTCRelationship changed AS8966 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS8708 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS8447 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS8434 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS8359 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS8220 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS6204 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS60068 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS4657 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS42708 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS39351 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS286 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS2516 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS1836 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS15412 upstream to peer
2026-10-03 22:57 UTCRelationship changed AS1273 upstream to peer
2026-10-03 22:57 UTCPrefix gone 87.104.236.0/22
2026-10-03 22:57 UTCPrefix gone 87.104.234.0/23
2026-10-03 22:57 UTCPrefix gone 87.104.233.0/24
2026-10-03 22:57 UTCPrefix gone 87.104.232.0/24
2026-10-03 22:57 UTCPrefix gone 87.104.192.0/19
2026-10-03 22:57 UTCPrefix gone 198.183.202.0/24

WHOIS

aut-num:        AS3292
as-name:        TDC
descr:          TDC A/S
org:            ORG-TD1-RIPE
admin-c:        AS5071-RIPE
tech-c:         AS5071-RIPE
remarks:        --------------------------------------------------------------------
remarks:        INBOUND ROUTE FILTERING
remarks:        --------------------------------------------------------------------
remarks:        
remarks:        - RFC1918 and other reserved networks are not permitted.
remarks:        
remarks:        - IPv4 prefixes shorter than /8 or longer that /24 are not permitted.
remarks:        
remarks:        - IPv6 prefixes shorter than /8 or longer that /48 are not permitted.
remarks:        
remarks:        - Advertisements with reserved ASes in the path are not permitted.
remarks:        
remarks:        - All customer sessions are prefix filtered.
remarks:        
remarks:        - Local preference will be set to 200 for customer routes.
remarks:        100 for peering routes.
remarks:        
remarks:        - Received MED is honored for customer routes.
remarks:        Peering routes are set MED 0.
remarks:        
remarks:        - BGP GRACEFUL_SHUTDOWN (RFC8326) community is honored on all
remarks:        sessions.
remarks:        
remarks:        - RPKI Route Origin Validation is performed on received prefixes
remarks:        and invalid routes are rejected.
remarks:        
remarks:        --------------------------------------------------------------------
remarks:        BGP COMMUNITY SUPPORT FOR AS3292 TRANSIT CUSTOMERS:
remarks:        --------------------------------------------------------------------
remarks:        3292:300x Suppress/unsuppress to all transit providers
remarks:        3292:308x Telia AS1299
remarks:        3292:309x Deutsche Telekom AS3320
remarks:        
remarks:        3292:400x Suppress/unsuppress to all peers
remarks:        3292:402x Telia AS1299
remarks:        3292:403x Zayo/Above.net AS6461
remarks:        3292:404x Level(3) AS3356
remarks:        3292:408x Telecom Italia AS6762
remarks:        3292:409x Verizon/UUnet AS702
remarks:        3292:410x Telefonica AS12956
remarks:        3292:411x Sprint AS1239
remarks:        3292:412x XO Communications AS2828
remarks:        3292:415x GTT AS3257
remarks:        3292:417x Telenor AS2119
remarks:        3292:419x CenturyLink/Qwest AS209
remarks:        
remarks:        Where x is number of prepends (x=0,1,2,3,4,8) or do NOT announce (x=9)
remarks:        
remarks:        --------------------------------------------------------------------
remarks:        BGP COMMUNITY INDICATING TYPE OF ROUTE (read only)
remarks:        --------------------------------------------------------------------
remarks:        3292:1000 Customer route
remarks:        3292:1100 Peer route
remarks:        3292:1200 Upstream route
remarks:        --------------------------------------------------------------------
remarks:        
remarks:        --------------------------------------------------------------------
remarks:        BGP COMMUNITY INDICATING ENTRY POINT INTO AS3292 (read only)
remarks:        --------------------------------------------------------------------
remarks:        
remarks:        3292:xyyzz Continent
remarks:        3292:1yyzz NAM - North America
remarks:        3292:2yyzz EUR - Europe
remarks:        3292:3yyzz ASI - Asia
remarks:        3292:4yyzz AUS - Australia (and Antarctica)
remarks:        3292:5yyzz SAM - South America
remarks:        3292:6yyzz AFR - Africa
remarks:        
remarks:        3292:xyyzz Country
remarks:        3292:101[00|zz] US - USA
remarks:        3292:231[00|zz] NL - Netherlands
remarks:        3292:235[00|zz] FI - Finland
remarks:        3292:237[00|zz] EE - Estonia (Baltics)
remarks:        3292:244[00|zz] UK - United Kingdom
remarks:        3292:245[00|zz] DK - Denmark
remarks:        3292:246[00|zz] SE - Sweden
remarks:        3292:247[00|zz] NO - Norway
remarks:        3292:249[00|zz] DE - Germany
remarks:        
remarks:        3292:xyyzz City
remarks:        3292:10101 NYK - New York City
remarks:        3292:10102 ASHB - Ashburn, Washington DC
remarks:        3292:10103 SJOS - San Jose
remarks:        3292:23101 ASD - Amsterdam
remarks:        3292:23501 HEL - Helsinki
remarks:        3292:23701 TLN - Tallinn
remarks:        3292:24401 LDN - London
remarks:        3292:24501 CPH - Copenhagen
remarks:        3292:24502 ARC - Aarhus
remarks:        3292:24601 STO - Stockholm
remarks:        3292:24701 OSLO - Oslo
remarks:        3292:24901 FFM - Frankfurt am Main
remarks:        
remarks:        zz = 00: City not specified.
remarks:        
remarks:        --------------------------------------------------------------------
remarks:        PEERING INFORMATION
remarks:        --------------------------------------------------------------------
remarks:        
remarks:        Peering issues please contact:
remarks:        
remarks:        Peering requests/information at <http://as3292.peeringdb.com>
remarks:        
remarks:        TDC Looking Glass at <http://lg.ip.tdc.net>
remarks:        
remarks:        TDC Route Server at <telnet://route-server.ip.tdc.net>
remarks:        
remarks:        --------------------------------------------------------------------
remarks:        This object is automaticly updated, do NOT manually update
remarks:        
status:         ASSIGNED
mnt-by:         AS3292-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2002-09-20T11:14:32Z
last-modified:  2026-09-22T23:00:03Z
source:         RIPE
% 850 routing policy lines (import/export) not shown