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Prefix profile

Review current routes, sources, visibility and BGP change evidence for a prefix.

131.221.81.0/24

Currently validIPv4

Origin ASNAS23764

This profile is based on CHA.LA's maintained BGP route state, hourly aggregates and event history; fields without observations are shown as not recorded.
Last observed10/15/2026, 16:00:00CHA.LA BGP data
View BGP historyRPKI checkRDAP registration
Prefix
131.221.81.0/24
Current status
Currently valid
Origin ASN
AS23764
First observed
8/29/2026, 09:30:46
Last observed
10/15/2026, 16:00:00
Peer42Visible peers
Collector1Collectors
Announcements2Last 7 days, hourly aggregate
Withdrawals0Last 7 days, hourly aggregate
Origin ASN1Observed ASNs

Current routes and paths

42 observed
PrefixOrigin ASNAS pathPath lengthPeerCollectorStatus
131.221.81.0/24AS2376450300 3356 237643176.12.110.8rrc00Currently valid
131.221.81.0/24AS23764132825 3356 23764343.251.115.197rrc00Currently valid
131.221.81.0/24AS23764202365 50673 6762 2376445.255.90.109rrc00Currently valid
131.221.81.0/24AS2376450628 3356 237643178.208.11.4rrc00Currently valid
131.221.81.0/24AS2376450304 1299 3356 23764431.169.49.228rrc00Currently valid
131.221.81.0/24AS2376455720 6939 6762 237644103.212.68.10rrc00Currently valid
131.221.81.0/24AS2376422652 174 3356 23764445.61.0.85rrc00Currently valid
131.221.81.0/24AS2376458057 1836 3356 237644193.33.94.251rrc00Currently valid
131.221.81.0/24AS2376455720 2914 6762 23764445.116.179.212rrc00Currently valid
131.221.81.0/24AS2376413830 971 3356 237644161.129.152.2rrc00Currently valid
131.221.81.0/24AS2376434927 56655 1299 3356 23764545.134.89.1rrc00Currently valid
131.221.81.0/24AS2376438001 3491 3356 237644202.150.221.37rrc00Currently valid
131.221.81.0/24AS2376444393 35710 48200 23764449.12.70.222rrc00Currently valid
131.221.81.0/24AS2376445049 6696 6762 237644194.28.97.2rrc00Currently valid
131.221.81.0/24AS2376434549 2914 12956 23764480.77.16.114rrc00Currently valid
131.221.81.0/24AS2376414907 3356 237643208.80.153.193rrc00Currently valid
131.221.81.0/24AS2376429504 39392 1299 3356 237645185.193.84.191rrc00Currently valid
131.221.81.0/24AS2376420514 1299 3356 237644217.151.205.147rrc00Currently valid
131.221.81.0/24AS237643333 6762 237643193.0.0.56rrc00Currently valid
131.221.81.0/24AS2376449134 53356 6939 6762 23764523.129.32.61rrc00Currently valid
131.221.81.0/24AS23764213241 9002 12956 23764489.42.52.8rrc00Currently valid
131.221.81.0/24AS2376449673 20485 6762 23764494.247.111.254rrc00Currently valid
131.221.81.0/24AS2376448185 3356 237643195.90.96.2rrc00Currently valid
131.221.81.0/24AS237647018 3356 23764312.0.1.63rrc00Currently valid
131.221.81.0/24AS2376461218 6939 6762 237644143.246.179.232rrc00Currently valid
131.221.81.0/24AS23764852 3257 3356 237644154.11.12.212rrc00Currently valid
131.221.81.0/24AS2376420205 6939 6762 23764464.246.96.5rrc00Currently valid
131.221.81.0/24AS2376437721 237642165.16.221.66rrc00Currently valid
131.221.81.0/24AS23764206499 34549 2914 12956 23764545.14.68.69rrc00Currently valid
131.221.81.0/24AS2376417639 3356 237643202.69.160.152rrc00Currently valid
131.221.81.0/24AS237644608 1221 4637 3356 237645203.119.104.1rrc00Currently valid
131.221.81.0/24AS2376459919 9002 12956 2376445.178.95.254rrc00Currently valid
131.221.81.0/24AS237643549 3356 237643208.51.134.248rrc00Currently valid
131.221.81.0/24AS2376437989 56300 132132 4657 9002 3356 237647203.123.48.6rrc00Currently valid
131.221.81.0/24AS2376424482 237642203.175.175.15rrc00Currently valid
131.221.81.0/24AS23764216285 8280 6762 23764484.54.49.1rrc00Currently valid
131.221.81.0/24AS2376458057 34549 2914 12956 237645194.50.92.251rrc00Currently valid
131.221.81.0/24AS23764204092 198978 174 3356 23764589.234.186.6rrc00Currently valid
131.221.81.0/24AS2376449432 48362 1764 3356 237645195.128.231.254rrc00Currently valid
131.221.81.0/24AS2376434927 1299 3356 237644193.148.251.1rrc00Currently valid
131.221.81.0/24AS2376457381 50304 1299 3356 237645193.150.22.240rrc00Currently valid
131.221.81.0/24AS237641403 577 3356 237644198.58.198.252rrc00Currently valid

Recent event window

Only peers and collectors that produced events in this hour are counted.

Last observed
10/14/2026, 22:00:00
Peers in window
1
Collectors in window
1
Average path length
5.0
Longest path
5

Announcement / withdrawal history

Latest 30
TimeEventOrigin ASNAS pathPeerCollector
10/15/2026, 00:10:00AnnouncementAS23764328840 327727 174 3356 23764102.208.105.2rrc00
10/15/2026, 00:10:00Withdrawal——102.208.105.2rrc00
10/14/2026, 22:45:33AnnouncementAS2376457821 12586 3257 6762 23764193.160.39.1rrc00
10/13/2026, 07:05:28AnnouncementAS2376457821 12586 3257 3356 23764193.160.39.1rrc00
10/12/2026, 15:55:15AnnouncementAS237644608 1221 4637 3356 23764203.119.104.1rrc00
10/12/2026, 12:45:00AnnouncementAS2376457821 12586 3257 3356 23764193.160.39.1rrc00
10/10/2026, 10:50:04AnnouncementAS2376417639 3356 23764202.69.160.152rrc00
10/9/2026, 03:30:34AnnouncementAS2376455720 3257 3356 2376445.116.179.212rrc00
10/8/2026, 22:35:33AnnouncementAS23764328840 327727 174 3356 23764102.208.105.2rrc00
10/8/2026, 22:35:28AnnouncementAS237644608 1221 4637 3356 23764203.119.104.1rrc00
10/8/2026, 22:35:19AnnouncementAS237641403 577 3356 23764198.58.198.252rrc00
10/8/2026, 17:55:31AnnouncementAS2376461218 6939 6762 23764143.246.179.232rrc00
10/8/2026, 12:00:34AnnouncementAS237644608 1221 4637 3356 23764203.119.104.1rrc00
10/7/2026, 17:55:18AnnouncementAS2376449134 53356 6939 6762 2376423.129.32.61rrc00
10/7/2026, 16:20:05AnnouncementAS2376414907 1299 3356 23764208.80.153.193rrc00
10/7/2026, 10:25:16AnnouncementAS2376429504 15935 174 3356 23764185.193.84.191rrc00
10/5/2026, 13:50:23AnnouncementAS23764204092 20766 29075 6762 2376489.234.186.6rrc00
10/5/2026, 13:50:11AnnouncementAS23764204092 34019 35625 3356 2376489.234.186.6rrc00
10/5/2026, 11:50:28AnnouncementAS2376457381 50304 1299 3356 23764193.150.22.240rrc00
10/4/2026, 09:55:07AnnouncementAS2376458057 34549 2914 12956 23764194.50.92.251rrc00
10/3/2026, 09:15:04AnnouncementAS2376437721 23764165.16.221.66rrc00
10/1/2026, 20:15:14AnnouncementAS2376437721 23764165.16.221.66rrc00
10/1/2026, 20:15:14AnnouncementAS2376424482 23764203.175.175.15rrc00
10/1/2026, 18:45:01Withdrawal——102.208.105.2rrc00
10/1/2026, 08:00:37AnnouncementAS2376455720 6939 6762 23764103.212.68.10rrc00
9/30/2026, 10:45:31AnnouncementAS23764852 3257 3356 23764154.11.12.212rrc00
9/30/2026, 08:25:36AnnouncementAS23764852 3257 3356 23764154.11.12.212rrc00
9/28/2026, 23:05:22AnnouncementAS23764204092 34019 35625 3356 2376489.234.186.6rrc00
9/28/2026, 21:40:05AnnouncementAS23764204092 20766 29075 6762 2376489.234.186.6rrc00
9/28/2026, 00:45:09AnnouncementAS23764852 3257 3356 23764154.11.12.212rrc00

Hourly changes

SEVEN-DAY WINDOW · 2 time points
TimeAnnouncementsWithdrawalsPeerCollectorOrigin ASNAS path
10/14/2026, 22:00:00101115.0 / 5
10/9/2026, 03:00:00101114.0 / 4
CHA.LA BGP profileThis page shows collected RIPE RIS route state, hourly aggregates and announcement / withdrawal events. Origin ASNs, peers and collectors represent an observation view, not the complete global routing table.Data source: CHA.LA BGP data · Query window: last 7 days