206208 looking glass

AS24348 CERNET2 IX at Tsinghua University 🇨🇳 CN

Announcing 46 prefixes, seen at the RIS collectors.

IPv4 prefixes
10
541,184 (2,114 × /24)
IPv6 prefixes
36
4 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
5
transit customers observed
Customer cone
3
ASes reachable through it

Registry and operator data

AS number
AS24348
Name
CERNET2 IX at Tsinghua University
Organisation
CERNET2 IX at Tsinghua University
Country
🇨🇳 CN
RIR
APNIC
Allocated
2005-03-03

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

33 valid (71.7%) 0 invalid (0.0%) 13 no ROA (28.3%)

Announcement history

One point per day, recorded at each table import

0919283709-1809-2309-2810-0310-0810-1310-1810-22
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-20 15:48:29Z origin change 183.172.0.0/15 AS24348 → AS4538 496732076483594538
2026-10-20 15:48:29Z origin change 101.5.0.0/16 AS24348 → AS4538 496732076483594538
2026-10-20 15:48:29Z origin change 183.172.0.0/16 AS24348 → AS4538 496732076483594538
2026-10-20 15:48:29Z origin change 101.6.0.0/16 AS24348 → AS4538 496732076483594538
2026-10-20 15:48:29Z origin change 183.173.0.0/16 AS24348 → AS4538 496732076483594538
2026-10-20 15:48:29Z origin change 59.66.0.0/16 AS24348 → AS4538 496732076483594538
2026-10-20 14:13:26Z origin change 59.66.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-20 14:13:26Z origin change 101.5.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-20 14:13:26Z origin change 101.6.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-20 14:13:26Z origin change 183.172.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-20 14:13:26Z origin change 183.172.0.0/15 AS4538 → AS24348 46087575244902448923911453824348
2026-10-20 14:13:26Z origin change 183.173.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-18 19:42:22Z origin change 101.5.128.0/21 AS24348 → AS4538 380012914453845384538
2026-10-18 19:42:09Z origin change 101.5.128.0/21 AS4538 → AS24348 55720291445384538453824348
2026-10-18 19:42:02Z origin change 101.5.128.0/21 AS24348 → AS4538 345492914453845384538
2026-10-18 19:42:02Z origin change 101.5.128.0/21 AS24348 → AS4538 58057345492914453845384538
2026-10-18 19:42:01Z origin change 101.5.128.0/21 AS4538 → AS24348 34549291445384538453824348
2026-10-18 19:42:01Z origin change 101.5.128.0/21 AS4538 → AS24348 5805734549291445384538453824348
2026-10-18 17:07:57Z origin change 101.5.128.0/21 AS24348 → AS4538 377212914453845384538
2026-10-18 17:07:56Z origin change 101.5.128.0/21 AS4538 → AS24348 37721291445384538453824348
2026-10-17 14:48:25Z origin change 59.66.0.0/16 AS24348 → AS4538 1763946354538
2026-10-17 14:48:25Z origin change 101.5.0.0/16 AS24348 → AS4538 1763946354538
2026-10-17 14:48:25Z origin change 101.6.0.0/16 AS24348 → AS4538 1763946354538
2026-10-17 14:48:25Z origin change 183.172.0.0/15 AS24348 → AS4538 1763946354538
2026-10-17 14:48:25Z origin change 183.172.0.0/16 AS24348 → AS4538 1763946354538
2026-10-17 14:48:25Z origin change 183.173.0.0/16 AS24348 → AS4538 1763946354538
2026-10-17 07:23:36Z origin change 58.207.0.0/16 AS24348 → AS4538 32884032772717464534538453845384538
2026-10-16 16:16:11Z origin change 202.112.61.0/24 AS24348 → AS4538 202365693945384538453845384538
2026-10-16 16:16:10Z origin change 202.112.0.0/24 AS24348 → AS4538 202365693945384538453845384538
2026-10-16 16:11:39Z origin change 58.207.0.0/16 AS4538 → AS24348 38229244902449024490766023911453824348
2026-10-16 16:11:39Z origin change 202.112.61.0/24 AS4538 → AS24348 38229244902449024490766023911453824348
2026-10-16 16:11:39Z origin change 202.112.0.0/24 AS4538 → AS24348 38229244902449024490766023911453824348
2026-10-16 16:08:39Z origin change 202.112.61.0/24 AS24348 → AS4538 206499693945384538453845384538
2026-10-16 16:08:38Z origin change 202.112.0.0/24 AS24348 → AS4538 206499693945384538453845384538
2026-10-16 15:34:12Z origin change 58.207.0.0/16 AS24348 → AS4538 46081221463764534538453845384538
2026-10-16 15:33:39Z origin change 58.207.0.0/16 AS4538 → AS24348 38229244902449024490766023911453824348
2026-10-16 15:33:39Z origin change 202.112.61.0/24 AS4538 → AS24348 38229244902449024490766023911453824348
2026-10-16 15:33:39Z origin change 202.112.0.0/24 AS4538 → AS24348 38229244902449024490766023911453824348
2026-10-16 15:32:09Z origin change 202.112.0.0/24 AS24348 → AS4538 202365693945384538453845384538
2026-10-16 15:29:01Z origin change 202.112.0.0/24 AS4538 → AS24348 38229244902448923911453824348
2026-10-16 14:14:14Z origin change 58.207.0.0/16 AS24348 → AS4538 32884032772717464534538453845384538
2026-10-16 11:01:47Z origin change 202.112.61.0/24 AS24348 → AS4538 202365693945384538453845384538
2026-10-16 11:01:46Z origin change 202.112.0.0/24 AS24348 → AS4538 202365693945384538453845384538
2026-10-16 10:56:30Z origin change 59.66.0.0/16 AS4538 → AS24348 3822923855766023911453824348
2026-10-16 10:56:30Z origin change 202.112.0.0/24 AS4538 → AS24348 3822923855766023911453824348
2026-10-16 10:56:30Z origin change 183.173.0.0/16 AS4538 → AS24348 3822923855766023911453824348
2026-10-16 10:56:30Z origin change 183.172.0.0/15 AS4538 → AS24348 3822923855766023911453824348
2026-10-16 10:56:30Z origin change 183.172.0.0/16 AS4538 → AS24348 3822923855766023911453824348
2026-10-16 10:56:30Z origin change 101.6.0.0/16 AS4538 → AS24348 3822923855766023911453824348
2026-10-16 10:56:30Z origin change 101.5.0.0/16 AS4538 → AS24348 3822923855766023911453824348
2026-10-16 10:56:30Z origin change 58.207.0.0/16 AS4538 → AS24348 38229244902448923911453824348
2026-10-16 10:56:30Z origin change 202.112.61.0/24 AS4538 → AS24348 38229244902448923911453824348
2026-10-15 18:23:25Z origin change 58.206.192.0/18 AS4538 → AS24348 37989563001321324657291445384538453824348
2026-10-15 17:57:21Z origin change 58.206.192.0/18 AS24348 → AS4538 5572023764413445384538
2026-10-15 17:57:18Z origin change 101.5.0.0/16 AS24348 → AS4538 5572099304538
2026-10-15 17:57:18Z origin change 101.6.0.0/16 AS24348 → AS4538 5572099304538
2026-10-15 17:57:18Z origin change 183.172.0.0/16 AS24348 → AS4538 5572099304538
2026-10-15 17:57:18Z origin change 183.173.0.0/16 AS24348 → AS4538 5572099304538
2026-10-15 17:56:39Z origin change 183.172.0.0/15 AS24348 → AS4538 5572023764413445384538
2026-10-15 11:09:38Z origin change 59.66.0.0/16 AS24348 → AS4538 204092207662916935280896646354538
2026-10-15 08:02:10Z origin change 59.66.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-15 08:02:10Z origin change 101.5.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-15 08:02:10Z origin change 101.6.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-15 08:02:10Z origin change 183.172.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-15 08:02:10Z origin change 183.172.0.0/15 AS4538 → AS24348 46087575244902448923911453824348
2026-10-15 08:02:10Z origin change 183.173.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-15 02:15:37Z origin change 58.207.0.0/16 AS24348 → AS4538 14907335664534538453845384538
2026-10-15 02:15:36Z origin change 58.207.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-14 18:06:45Z origin change 59.66.0.0/16 AS24348 → AS4538 5572046354538
2026-10-14 18:06:45Z origin change 101.5.0.0/16 AS24348 → AS4538 5572046354538
2026-10-14 18:06:45Z origin change 101.6.0.0/16 AS24348 → AS4538 5572046354538
2026-10-14 18:06:45Z origin change 183.172.0.0/16 AS24348 → AS4538 5572046354538
2026-10-14 18:06:45Z origin change 183.172.0.0/15 AS24348 → AS4538 5572046354538
2026-10-14 18:06:45Z origin change 183.173.0.0/16 AS24348 → AS4538 5572046354538
2026-10-14 00:07:32Z origin change 59.66.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-14 00:07:32Z origin change 101.5.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-14 00:07:32Z origin change 101.6.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-14 00:07:32Z origin change 183.172.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-14 00:07:32Z origin change 183.172.0.0/15 AS4538 → AS24348 46087575244902448923911453824348
2026-10-14 00:07:32Z origin change 183.173.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-11 03:46:44Z origin change 202.112.0.0/24 AS24348 → AS4538 202365693945384538453845384538
2026-10-11 03:46:44Z origin change 202.112.61.0/24 AS24348 → AS4538 202365693945384538453845384538
2026-10-11 03:13:01Z origin change 58.207.0.0/16 AS24348 → AS4538 46081221463764534538453845384538
2026-10-11 03:05:41Z origin change 59.66.0.0/16 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 58.207.0.0/16 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 202.112.61.0/24 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 202.112.0.0/24 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 183.173.0.0/16 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 183.172.0.0/15 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 183.172.0.0/16 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 101.6.0.0/16 AS4538 → AS24348 38229244902448923911453824348
2026-10-11 03:05:41Z origin change 101.5.0.0/16 AS4538 → AS24348 38229244902448923911453824348
2026-10-09 13:21:20Z origin change 59.66.0.0/16 AS24348 → AS4538 1763946354538
2026-10-09 13:21:20Z origin change 101.5.0.0/16 AS24348 → AS4538 1763946354538
2026-10-09 13:21:20Z origin change 101.6.0.0/16 AS24348 → AS4538 1763946354538
2026-10-09 13:21:20Z origin change 183.172.0.0/15 AS24348 → AS4538 1763946354538
2026-10-09 13:21:20Z origin change 183.172.0.0/16 AS24348 → AS4538 1763946354538
2026-10-09 13:21:20Z origin change 183.173.0.0/16 AS24348 → AS4538 1763946354538
2026-10-08 22:34:55Z origin change 59.66.0.0/16 AS4538 → AS24348 46087575244902448923911453824348
2026-10-08 22:34:55Z origin change 101.5.0.0/16 AS4538 → AS24348 46087575244902448923911453824348