206208 looking glass

AS24357 CERNET2 IX at South China University of Technology 🇨🇳 CN

Announcing 14 prefixes, seen at the RIS collectors.

IPv4 prefixes
13
851,968 (3,328 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
1
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS24357
Name
CERNET2 IX at South China University of Technology
Organisation
CERNET2 IX at South China University of Technology
Country
🇨🇳 CN
RIR
APNIC
Allocated
2005-03-03

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 14 no ROA (100.0%)

Announcement history

One point per day, recorded at each table import

037101309-1809-2409-3010-0610-1210-1810-2410-27
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-23 20:05:27Z origin change 219.223.0.0/16 AS24357 → AS4538 244824538
2026-10-23 05:47:48Z origin change 222.17.0.0/16 AS24357 → AS4538 46081221463764534538453845384538
2026-10-23 05:41:35Z origin change 219.223.0.0/16 AS4538 → AS24357 4608757511537766023911453824357
2026-10-23 05:41:35Z origin change 222.17.0.0/16 AS4538 → AS24357 4608757511537766023911453824357
2026-10-20 15:49:25Z origin change 219.223.0.0/16 AS24357 → AS4538 496732076483594538
2026-10-20 14:14:37Z origin change 219.223.0.0/16 AS4538 → AS24357 46087575244902448923911453824357
2026-10-18 12:35:07Z origin change 219.223.0.0/16 AS24357 → AS4538 1763946354538
2026-10-17 07:23:36Z origin change 222.17.0.0/16 AS24357 → AS4538 32884032772717464534538453845384538
2026-10-17 07:23:34Z origin change 125.216.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 125.217.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 125.218.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 222.203.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 202.116.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 211.66.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 219.222.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 222.16.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 222.200.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 222.201.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-17 07:23:34Z origin change 222.202.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 16:11:39Z origin change 125.216.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 222.203.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 222.202.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 222.201.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 222.200.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 222.17.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 222.16.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 219.222.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 211.66.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 202.116.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 125.218.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:11:39Z origin change 125.217.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 16:09:38Z origin change 222.203.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 222.16.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 211.66.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 219.222.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 222.200.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 202.116.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 125.217.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 125.218.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 222.201.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 222.202.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 16:09:38Z origin change 125.216.0.0/16 AS24357 → AS4538 206499345492376445384538
2026-10-16 15:34:12Z origin change 222.17.0.0/16 AS24357 → AS4538 46081221463764534538453845384538
2026-10-16 15:33:39Z origin change 125.216.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 222.203.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 222.202.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 222.201.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 222.200.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 222.17.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 222.16.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 219.222.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 211.66.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 202.116.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 125.218.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 15:33:39Z origin change 125.217.0.0/16 AS4538 → AS24357 38229244902449024490766023911453824357
2026-10-16 14:14:14Z origin change 222.17.0.0/16 AS24357 → AS4538 32884032772717464534538453845384538
2026-10-16 14:14:12Z origin change 222.203.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 202.116.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 211.66.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 219.222.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 222.16.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 222.200.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 222.201.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 222.202.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 125.216.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 125.217.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 14:14:12Z origin change 125.218.0.0/16 AS24357 → AS4538 3288403277271742376445384538
2026-10-16 10:56:30Z origin change 125.216.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 222.203.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 222.202.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 222.201.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 222.200.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 222.17.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 222.16.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 219.223.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 219.222.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 211.66.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 202.116.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 125.218.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-16 10:56:30Z origin change 125.217.0.0/16 AS4538 → AS24357 38229244902448923911453824357
2026-10-15 17:57:18Z origin change 219.223.0.0/16 AS24357 → AS4538 5572099304538
2026-10-15 08:02:54Z origin change 219.223.0.0/16 AS4538 → AS24357 46087575244902448923911453824357
2026-10-15 02:15:37Z origin change 222.17.0.0/16 AS24357 → AS4538 14907335664534538453845384538
2026-10-15 02:15:36Z origin change 222.17.0.0/16 AS4538 → AS24357 46087575244902448923911453824357
2026-10-14 18:06:54Z origin change 219.223.0.0/16 AS24357 → AS4538 5572046354538
2026-10-14 00:08:11Z origin change 219.223.0.0/16 AS4538 → AS24357 46087575244902448923911453824357