AS24349 CERNET2 IX at Peking University 🇨🇳 CN

Announcing 67 prefixes, seen at the RIS collectors.

IPv4 prefixes
4
196,608 (768 × /24)
IPv6 prefixes
63
5 × /32
Upstreams
1
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS24349
Name
CERNET2 IX at Peking University
Organisation
CERNET2 IX at Peking University
Country
🇨🇳 CN
RIR
APNIC
Allocated
2005-03-03

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

61 valid (91.0%) 0 invalid (0.0%) 6 no ROA (9.0%)

Announcement history

One point per day, recorded at each table import

01632476309-1809-2309-2810-0310-0810-1310-1810-22
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-20 15:49:53Z origin change 183.174.0.0/16 AS24349 → AS4538 496732076483594538
2026-10-20 15:49:23Z origin change 115.27.0.0/16 AS24349 → AS4538 496732076483594538
2026-10-20 14:14:44Z origin change 183.174.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-20 14:14:37Z origin change 115.27.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-18 12:34:50Z origin change 183.174.0.0/16 AS24349 → AS4538 1763946354538
2026-10-18 12:34:12Z origin change 115.27.0.0/16 AS24349 → AS4538 1763946354538
2026-10-16 16:12:06Z origin change 162.105.0.0/17 AS24349 → AS4538 460812214637129917445384538453845384538
2026-10-16 16:12:06Z origin change 162.105.128.0/17 AS24349 → AS4538 460812214637129917445384538453845384538
2026-10-16 16:11:39Z origin change 162.105.128.0/17 AS4538 → AS24349 38229244902449024490766023911453824349
2026-10-16 16:11:39Z origin change 162.105.0.0/17 AS4538 → AS24349 38229244902449024490766023911453824349
2026-10-16 16:08:31Z origin change 162.105.0.0/17 AS24349 → AS4538 46087575129917445384538453845384538
2026-10-16 16:08:31Z origin change 162.105.128.0/17 AS24349 → AS4538 46087575129917445384538453845384538
2026-10-16 16:08:30Z origin change 162.105.128.0/17 AS4538 → AS24349 382292385524490242872448923911453824349
2026-10-16 16:08:30Z origin change 162.105.0.0/17 AS4538 → AS24349 382292385524490242872448923911453824349
2026-10-16 15:34:12Z origin change 162.105.0.0/17 AS24349 → AS4538 460812214637129917445384538453845384538
2026-10-16 15:34:12Z origin change 162.105.128.0/17 AS24349 → AS4538 460812214637129917445384538453845384538
2026-10-16 15:33:39Z origin change 162.105.128.0/17 AS4538 → AS24349 38229244902449024490766023911453824349
2026-10-16 15:33:39Z origin change 162.105.0.0/17 AS4538 → AS24349 38229244902449024490766023911453824349
2026-10-16 15:31:08Z origin change 162.105.0.0/17 AS24349 → AS4538 46087575129917445384538453845384538
2026-10-16 15:31:08Z origin change 162.105.128.0/17 AS24349 → AS4538 46087575129917445384538453845384538
2026-10-16 15:29:01Z origin change 162.105.128.0/17 AS4538 → AS24349 38229244902448923911453824349
2026-10-16 15:29:01Z origin change 162.105.0.0/17 AS4538 → AS24349 38229244902448923911453824349
2026-10-16 10:56:34Z origin change 162.105.0.0/17 AS24349 → AS4538 460812214637129917445384538453845384538
2026-10-16 10:56:34Z origin change 162.105.128.0/17 AS24349 → AS4538 460812214637129917445384538453845384538
2026-10-16 10:56:30Z origin change 115.27.0.0/16 AS4538 → AS24349 3822923855766023911453824349
2026-10-16 10:56:30Z origin change 183.174.0.0/16 AS4538 → AS24349 3822923855766023911453824349
2026-10-16 10:56:30Z origin change 162.105.128.0/17 AS4538 → AS24349 3822923855766023911453824349
2026-10-16 10:56:30Z origin change 162.105.0.0/17 AS4538 → AS24349 3822923855766023911453824349
2026-10-15 17:56:39Z origin change 115.27.0.0/16 AS24349 → AS4538 5572023764413445384538
2026-10-15 17:56:39Z origin change 183.174.0.0/16 AS24349 → AS4538 5572023764413445384538
2026-10-15 08:02:45Z origin change 183.174.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-15 08:02:09Z origin change 115.27.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-14 18:06:45Z origin change 115.27.0.0/16 AS24349 → AS4538 5572046354538
2026-10-14 18:06:06Z origin change 183.174.0.0/16 AS24349 → AS4538 5572046354538
2026-10-14 00:08:47Z origin change 183.174.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-14 00:06:22Z origin change 115.27.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-11 03:13:01Z origin change 162.105.0.0/17 AS24349 → AS4538 460812214637646117445384538453845384538
2026-10-11 03:13:01Z origin change 162.105.128.0/17 AS24349 → AS4538 460812214637646117445384538453845384538
2026-10-11 03:12:38Z origin change 162.105.128.0/17 AS4538 → AS24349 382292449024287766023911453824349
2026-10-11 03:12:38Z origin change 162.105.0.0/17 AS4538 → AS24349 382292449024287766023911453824349
2026-10-11 03:09:27Z origin change 162.105.0.0/17 AS24349 → AS4538 46087575129917445384538453845384538
2026-10-11 03:09:27Z origin change 162.105.128.0/17 AS24349 → AS4538 46087575129917445384538453845384538
2026-10-11 03:05:41Z origin change 115.27.0.0/16 AS4538 → AS24349 38229244902448923911453824349
2026-10-11 03:05:41Z origin change 183.174.0.0/16 AS4538 → AS24349 38229244902448923911453824349
2026-10-11 03:05:41Z origin change 162.105.128.0/17 AS4538 → AS24349 38229244902448923911453824349
2026-10-11 03:05:41Z origin change 162.105.0.0/17 AS4538 → AS24349 38229244902448923911453824349
2026-10-09 13:22:03Z origin change 183.174.0.0/16 AS24349 → AS4538 1763946354538
2026-10-09 13:21:48Z origin change 115.27.0.0/16 AS24349 → AS4538 1763946354538
2026-10-08 22:35:31Z origin change 183.174.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-08 22:34:56Z origin change 115.27.0.0/16 AS4538 → AS24349 46087575244902448923911453824349
2026-10-08 17:07:32Z origin change 115.27.0.0/16 AS24349 → AS4538 5572023764413445384538
2026-10-08 17:07:32Z origin change 183.174.0.0/16 AS24349 → AS4538 5572023764413445384538