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Prefix profile

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

131.0.4.0/22

Currently validIPv4

Origin ASNAS61855

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 observed11/9/2026, 16:00:00CHA.LA BGP data
View BGP historyRPKI checkRDAP registration
Prefix
131.0.4.0/22
Current status
Currently valid
Origin ASN
AS61855
First observed
8/30/2026, 19:45:42
Last observed
11/9/2026, 16:00:00
Peer43Visible peers
Collector1Collectors
Announcements0Last 7 days, hourly aggregate
Withdrawals0Last 7 days, hourly aggregate
Origin ASN1Observed ASNs

Current routes and paths

43 observed
PrefixOrigin ASNAS pathPath lengthPeerCollectorStatus
131.0.4.0/22AS6185517639 3356 268624 618554202.69.160.152rrc00Currently valid
131.0.4.0/22AS6185544393 58057 6939 6453 268624 61855649.12.70.222rrc00Currently valid
131.0.4.0/22AS6185513830 971 3356 268624 618555161.129.152.2rrc00Currently valid
131.0.4.0/22AS6185550628 6453 268624 618554178.208.11.4rrc00Currently valid
131.0.4.0/22AS6185550304 1299 3356 268624 61855531.169.49.228rrc00Currently valid
131.0.4.0/22AS6185561218 6939 6453 268624 618555143.246.179.232rrc00Currently valid
131.0.4.0/22AS6185529504 39392 1299 3356 268624 618556185.193.84.191rrc00Currently valid
131.0.4.0/22AS6185555720 2914 268624 61855445.116.179.212rrc00Currently valid
131.0.4.0/22AS61855202365 50673 6453 268624 6185555.255.90.109rrc00Currently valid
131.0.4.0/22AS6185549134 53356 6424 2914 268624 61855623.129.32.61rrc00Currently valid
131.0.4.0/22AS61855132825 3356 2914 268624 61855543.251.115.197rrc00Currently valid
131.0.4.0/22AS61855204092 198978 174 3356 268624 61855689.234.186.6rrc00Currently valid
131.0.4.0/22AS61855852 2914 268624 618554154.11.12.212rrc00Currently valid
131.0.4.0/22AS6185558057 34549 2914 268624 618555194.50.92.251rrc00Currently valid
131.0.4.0/22AS6185524482 268624 618553203.175.175.15rrc00Currently valid
131.0.4.0/22AS6185537721 268624 618553165.16.221.66rrc00Currently valid
131.0.4.0/22AS6185550300 2914 268624 618554176.12.110.8rrc00Currently valid
131.0.4.0/22AS6185545049 6696 2914 268624 618555194.28.97.2rrc00Currently valid
131.0.4.0/22AS6185549673 20485 6453 268624 61855594.247.111.254rrc00Currently valid
131.0.4.0/22AS6185537989 56300 132132 4657 6453 268624 618557203.123.48.6rrc00Currently valid
131.0.4.0/22AS61855206499 34549 2914 268624 61855545.14.68.69rrc00Currently valid
131.0.4.0/22AS6185534927 1299 3356 268624 618555193.148.251.1rrc00Currently valid
131.0.4.0/22AS6185548185 3356 268624 618554195.90.96.2rrc00Currently valid
131.0.4.0/22AS6185514907 3356 268624 618554208.80.153.193rrc00Currently valid
131.0.4.0/22AS61855216285 8280 6762 22356 22356 268624 61855784.54.49.1rrc00Currently valid
131.0.4.0/22AS6185520514 1299 3356 268624 618555217.151.205.147rrc00Currently valid
131.0.4.0/22AS6185534549 2914 268624 61855480.77.16.114rrc00Currently valid
131.0.4.0/22AS6185549432 48362 1764 2914 268624 618556195.128.231.254rrc00Currently valid
131.0.4.0/22AS618554608 7575 2914 268624 618555203.119.104.1rrc00Currently valid
131.0.4.0/22AS618551403 577 3356 268624 618555198.58.198.252rrc00Currently valid
131.0.4.0/22AS6185534927 56655 6939 3356 268624 61855645.134.89.1rrc00Currently valid
131.0.4.0/22AS6185538001 2914 268624 618554202.150.221.37rrc00Currently valid
131.0.4.0/22AS618557018 3356 268624 61855412.0.1.63rrc00Currently valid
131.0.4.0/22AS618553333 1257 6453 268624 618555193.0.0.56rrc00Currently valid
131.0.4.0/22AS6185557381 50304 1299 3356 268624 618556193.150.22.240rrc00Currently valid
131.0.4.0/22AS6185555720 2914 268624 618554103.212.68.10rrc00Currently valid
131.0.4.0/22AS6185522652 174 3356 268624 61855545.61.0.85rrc00Currently valid
131.0.4.0/22AS6185558057 1836 3356 268624 618555193.33.94.251rrc00Currently valid
131.0.4.0/22AS6185520205 6939 3356 268624 61855564.246.96.5rrc00Currently valid
131.0.4.0/22AS61855328840 327727 174 3356 268624 618556102.208.105.2rrc00Currently valid
131.0.4.0/22AS6185557821 12586 3257 3356 268624 618556193.160.39.1rrc00Currently valid
131.0.4.0/22AS618553549 3356 268624 618554208.51.134.248rrc00Currently valid
131.0.4.0/22AS6185559919 9002 12956 268624 6185555.178.95.254rrc00Currently valid

Recent event window

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

Last observed
Not recorded
Peers in window
Not recorded
Collectors in window
Not recorded
Average path length
Not recorded
Longest path
Not recorded

Announcement / withdrawal history

Latest 30
TimeEventOrigin ASNAS pathPeerCollector
11/5/2026, 21:10:37Withdrawal——195.128.231.254rrc00
11/5/2026, 11:10:29AnnouncementAS618554608 7575 2914 268624 61855203.119.104.1rrc00
11/4/2026, 20:45:32AnnouncementAS61855206499 34549 2914 268624 6185545.14.68.69rrc00
11/4/2026, 19:55:04AnnouncementAS61855328840 327727 174 3356 268624 61855102.208.105.2rrc00
11/4/2026, 16:15:29AnnouncementAS61855328840 327727 174 3356 268624 61855102.208.105.2rrc00
11/4/2026, 16:15:23Withdrawal——102.208.105.2rrc00
11/3/2026, 04:00:18Withdrawal——102.208.105.2rrc00
11/3/2026, 02:10:29AnnouncementAS61855328840 327727 174 3356 268624 61855102.208.105.2rrc00
11/3/2026, 02:10:23Withdrawal——102.208.105.2rrc00
11/1/2026, 02:50:11AnnouncementAS6185549134 53356 6424 2914 268624 6185523.129.32.61rrc00
10/23/2026, 14:40:09AnnouncementAS6185559919 9002 12956 268624 618555.178.95.254rrc00
10/23/2026, 06:31:00AnnouncementAS6185529504 39392 1299 3356 268624 61855185.193.84.191rrc00
10/23/2026, 05:45:28AnnouncementAS618554608 7575 2914 268624 61855203.119.104.1rrc00
10/22/2026, 03:20:26AnnouncementAS6185517639 3356 268624 61855202.69.160.152rrc00
10/20/2026, 21:15:11AnnouncementAS618551403 577 3356 268624 61855198.58.198.252rrc00
10/20/2026, 14:10:22AnnouncementAS618554608 1221 4637 3356 268624 61855203.119.104.1rrc00
10/20/2026, 13:10:36AnnouncementAS618554608 7575 2914 268624 61855203.119.104.1rrc00
10/20/2026, 08:45:04AnnouncementAS6185549432 48362 1764 2914 268624 61855195.128.231.254rrc00
10/20/2026, 00:05:37AnnouncementAS61855216285 8280 6762 22356 22356 268624 6185584.54.49.1rrc00
10/19/2026, 21:45:27AnnouncementAS6185522652 1299 3356 268624 6185545.61.0.85rrc00
10/18/2026, 17:40:10AnnouncementAS6185534927 56655 1299 3356 268624 6185545.134.89.1rrc00
10/18/2026, 17:40:09AnnouncementAS6185555720 2914 268624 61855103.212.68.10rrc00
10/18/2026, 14:30:13AnnouncementAS61855328840 327727 174 3356 268624 61855102.208.105.2rrc00
10/16/2026, 15:05:42Withdrawal——102.208.105.2rrc00
10/16/2026, 04:00:23AnnouncementAS6185549134 53356 6424 2914 268624 6185523.129.32.61rrc00
10/16/2026, 04:00:23AnnouncementAS6185561218 6939 3356 268624 61855143.246.179.232rrc00
10/16/2026, 04:00:23AnnouncementAS6185544393 58057 6939 3356 268624 6185549.12.70.222rrc00
10/16/2026, 04:00:20AnnouncementAS6185520205 6939 3356 268624 6185564.246.96.5rrc00
10/16/2026, 04:00:19AnnouncementAS6185555720 2914 268624 61855103.212.68.10rrc00
10/16/2026, 04:00:18AnnouncementAS6185517639 3356 268624 61855202.69.160.152rrc00

Hourly changes

SEVEN-DAY WINDOW · 0 time points
TimeAnnouncementsWithdrawalsPeerCollectorOrigin ASNAS path
This prefix has no hourly aggregate data.
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