Home/Network intelligence/Prefix profile

Prefix profile

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

151.131.0.0/16

Currently validIPv4

Origin ASNAS197

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 observed11/12/2026, 00:00:00CHA.LA BGP data
View BGP historyRPKI checkRDAP registration
Prefix
151.131.0.0/16
Current status
Currently valid
Origin ASN
AS197
First observed
10/20/2026, 14:30:00
Last observed
11/12/2026, 00:00:00
Peer42Visible peers
Collector1Collectors
Announcements1Last 7 days, hourly aggregate
Withdrawals1Last 7 days, hourly aggregate
Origin ASN1Observed ASNs

Current routes and paths

43 observed
PrefixOrigin ASNAS pathPath lengthPeerCollectorStatus
151.131.0.0/16AS197132825 3356 1341 197443.251.115.197rrc00Currently valid
151.131.0.0/16AS19734927 1299 3356 1341 1975193.148.251.1rrc00Currently valid
151.131.0.0/16AS19750304 1299 3356 1341 197531.169.49.228rrc00Currently valid
151.131.0.0/16AS19744393 58057 6939 3356 1341 197649.12.70.222rrc00Currently valid
151.131.0.0/16AS197204092 198978 174 3356 1341 197689.234.186.6rrc00Currently valid
151.131.0.0/16AS19722652 174 3356 1341 197545.61.0.85rrc00Currently valid
151.131.0.0/16AS1973333 3320 3356 1341 1975193.0.0.56rrc00Currently valid
151.131.0.0/16AS197202365 50673 174 3356 1341 19765.255.90.109rrc00Currently valid
151.131.0.0/16AS197213241 9002 3356 1341 197589.42.52.8rrc00Currently valid
151.131.0.0/16AS19737989 56300 132132 4657 9002 3356 1341 1978203.123.48.6rrc00Currently valid
151.131.0.0/16AS1974608 1221 4637 3356 1341 1976203.119.104.1rrc00Currently valid
151.131.0.0/16AS197852 3257 3356 1341 1975154.11.12.212rrc00Currently valid
151.131.0.0/16AS19714907 3356 1341 1974208.80.153.193rrc00Currently valid
151.131.0.0/16AS19720205 6939 3356 1341 197564.246.96.5rrc00Currently valid
151.131.0.0/16AS19738001 3491 3356 1341 1975202.150.221.37rrc00Currently valid
151.131.0.0/16AS1971403 577 3356 1341 1975198.58.198.252rrc00Currently valid
151.131.0.0/16AS19734549 2914 3356 1341 197580.77.16.114rrc00Currently valid
151.131.0.0/16AS19750300 3356 1341 1974176.12.110.8rrc00Currently valid
151.131.0.0/16AS19761218 6939 3356 1341 1975143.246.179.232rrc00Currently valid
151.131.0.0/16AS197206499 34549 2914 3356 1341 197645.14.68.69rrc00Currently valid
151.131.0.0/16AS19737721 3356 1341 1974165.16.221.66rrc00Currently valid
151.131.0.0/16AS19750628 3356 1341 1974178.208.11.4rrc00Currently valid
151.131.0.0/16AS19755720 6939 3356 1341 1975103.212.68.10rrc00Currently valid
151.131.0.0/16AS19749134 53356 6939 3356 1341 197623.129.32.61rrc00Currently valid
151.131.0.0/16AS19717639 3356 1341 1974202.69.160.152rrc00Currently valid
151.131.0.0/16AS19729504 39392 1299 3356 1341 1976185.193.84.191rrc00Currently valid
151.131.0.0/16AS19748185 3356 1341 1974195.90.96.2rrc00Currently valid
151.131.0.0/16AS19745049 6696 2914 3356 1341 1976194.28.97.2rrc00Currently valid
151.131.0.0/16AS19734927 56655 6939 3356 1341 197645.134.89.1rrc00Currently valid
151.131.0.0/16AS1977018 1341 197312.0.1.63rrc00Currently valid
151.131.0.0/16AS19759919 9002 3356 1341 19755.178.95.254rrc00Currently valid
151.131.0.0/16AS19757821 12586 3257 3356 1341 1976193.160.39.1rrc00Currently valid
151.131.0.0/16AS19724482 2914 3356 1341 1975203.175.175.15rrc00Currently valid
151.131.0.0/16AS19758057 1836 3356 1341 1975193.33.94.251rrc00Currently valid
151.131.0.0/16AS1973549 3356 1341 1974208.51.134.248rrc00Currently valid
151.131.0.0/16AS197328840 327727 174 3356 1341 1976102.208.105.2rrc00Currently valid
151.131.0.0/16AS19758057 34549 2914 3356 1341 1976194.50.92.251rrc00Currently valid
151.131.0.0/16AS19749673 12389 3356 1341 197594.247.111.254rrc00Currently valid
151.131.0.0/16AS19757381 50304 1299 3356 1341 1976193.150.22.240rrc00Currently valid
151.131.0.0/16AS19713830 971 3356 1341 1975161.129.152.2rrc00Currently valid
151.131.0.0/16AS19755720 2914 3356 1341 197545.116.179.212rrc00Currently valid
151.131.0.0/16AS19720514 1299 3356 1341 1975217.151.205.147rrc00Currently valid
151.131.0.0/16—Not recorded—195.128.231.254rrc00Withdrawn

Recent event window

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

Last observed
11/11/2026, 14:00:00
Peers in window
1
Collectors in window
1
Average path length
8.0
Longest path
8

Announcement / withdrawal history

Latest 30
TimeEventOrigin ASNAS pathPeerCollector
11/11/2026, 14:05:43AnnouncementAS19737989 56300 132132 4657 9002 3356 1341 197203.123.48.6rrc00
11/11/2026, 14:05:26Withdrawal——203.123.48.6rrc00
11/8/2026, 07:35:33AnnouncementAS19758057 34549 2914 3356 1341 197194.50.92.251rrc00
11/8/2026, 07:35:33AnnouncementAS197206499 34549 2914 3356 1341 19745.14.68.69rrc00
11/8/2026, 07:35:33AnnouncementAS19734549 2914 3356 1341 19780.77.16.114rrc00
11/8/2026, 06:25:13AnnouncementAS197206499 34549 2914 3356 1341 19745.14.68.69rrc00
11/8/2026, 06:25:11AnnouncementAS19758057 34549 2914 3356 1341 197194.50.92.251rrc00
11/8/2026, 06:25:11AnnouncementAS19734549 2914 3356 1341 19780.77.16.114rrc00
11/8/2026, 06:25:04AnnouncementAS19755720 2914 3356 1341 19745.116.179.212rrc00
11/7/2026, 19:10:46AnnouncementAS19738001 3491 3356 1341 197202.150.221.37rrc00
11/7/2026, 19:10:13AnnouncementAS19738001 3491 3356 1341 197202.150.221.37rrc00
11/7/2026, 14:25:15AnnouncementAS197328840 327727 174 3356 1341 197102.208.105.2rrc00
11/7/2026, 14:25:09Withdrawal——102.208.105.2rrc00
11/5/2026, 21:10:37Withdrawal——195.128.231.254rrc00
11/4/2026, 21:35:01AnnouncementAS197206499 34549 2914 3356 1341 19745.14.68.69rrc00
11/4/2026, 20:45:31AnnouncementAS197206499 34549 2914 3356 1341 19745.14.68.69rrc00
11/4/2026, 19:55:05AnnouncementAS197328840 327727 174 3356 1341 197102.208.105.2rrc00
11/4/2026, 16:15:29AnnouncementAS197328840 327727 174 3356 1341 197102.208.105.2rrc00
11/4/2026, 16:15:23Withdrawal——102.208.105.2rrc00
11/3/2026, 04:00:18Withdrawal——102.208.105.2rrc00
11/3/2026, 02:10:29AnnouncementAS197328840 327727 174 3356 1341 197102.208.105.2rrc00
11/3/2026, 02:10:22Withdrawal——102.208.105.2rrc00
11/1/2026, 13:31:00AnnouncementAS197206499 34549 2914 3356 1341 19745.14.68.69rrc00
11/1/2026, 02:50:03AnnouncementAS19749134 53356 6939 3356 1341 19723.129.32.61rrc00
10/23/2026, 14:40:08AnnouncementAS19759919 9002 3356 1341 1975.178.95.254rrc00
10/23/2026, 06:30:57AnnouncementAS19729504 39392 1299 3356 1341 197185.193.84.191rrc00
10/22/2026, 03:20:27AnnouncementAS19717639 3356 1341 197202.69.160.152rrc00
10/20/2026, 21:15:17AnnouncementAS1971403 577 3356 1341 197198.58.198.252rrc00
10/20/2026, 14:30:06AnnouncementAS197132825 3356 1341 19743.251.115.197rrc00
10/20/2026, 14:30:00AnnouncementAS197328840 327727 174 3356 1341 197102.208.105.2rrc00

Hourly changes

SEVEN-DAY WINDOW · 1 time points
TimeAnnouncementsWithdrawalsPeerCollectorOrigin ASNAS path
11/11/2026, 14:00:00111118.0 / 8
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