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Prefix profile

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

155.137.96.0/21

Currently validIPv4

Origin ASNAS55821

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
155.137.96.0/21
Current status
Currently valid
Origin ASN
AS55821
First observed
8/30/2026, 19:45:42
Last observed
10/15/2026, 16:00:00
Peer45Visible peers
Collector1Collectors
Announcements14Last 7 days, hourly aggregate
Withdrawals1Last 7 days, hourly aggregate
Origin ASN1Observed ASNs

Current routes and paths

45 observed
PrefixOrigin ASNAS pathPath lengthPeerCollectorStatus
155.137.96.0/21AS55821328840 327727 174 137409 63927 558216102.208.105.2rrc00Currently valid
155.137.96.0/21AS5582149134 53356 6939 55821423.129.32.61rrc00Currently valid
155.137.96.0/21AS5582134927 137409 63927 55821445.134.89.1rrc00Currently valid
155.137.96.0/21AS558211403 577 6461 137409 63927 558216198.58.198.252rrc00Currently valid
155.137.96.0/21AS5582149673 20485 63927 55821494.247.111.254rrc00Currently valid
155.137.96.0/21AS5582150300 137409 63927 558214176.12.110.8rrc00Currently valid
155.137.96.0/21AS5582155720 6939 558213103.212.68.10rrc00Currently valid
155.137.96.0/21AS55821852 137409 63927 558214154.11.12.212rrc00Currently valid
155.137.96.0/21AS5582158057 1836 137409 63927 558215193.33.94.251rrc00Currently valid
155.137.96.0/21AS5582134927 1299 63927 63927 558215193.148.251.1rrc00Currently valid
155.137.96.0/21AS5582149432 48362 137409 63927 558215195.128.231.254rrc00Currently valid
155.137.96.0/21AS558217018 3257 63927 55821412.0.1.63rrc00Currently valid
155.137.96.0/21AS55821206499 34549 137409 63927 55821545.14.68.69rrc00Currently valid
155.137.96.0/21AS55821216285 8280 137409 63927 55821584.54.49.1rrc00Currently valid
155.137.96.0/21AS5582113830 971 137409 63927 558215161.129.152.2rrc00Currently valid
155.137.96.0/21AS5582138001 63927 558213202.150.221.37rrc00Currently valid
155.137.96.0/21AS5582157381 50304 137409 63927 558215193.150.22.240rrc00Currently valid
155.137.96.0/21AS5582159919 137409 63927 5582145.178.95.254rrc00Currently valid
155.137.96.0/21AS5582129504 39392 33891 137409 63927 558216185.193.84.191rrc00Currently valid
155.137.96.0/21AS5582138855 137409 63927 558214103.147.22.50rrc00Currently valid
155.137.96.0/21AS5582148185 137409 63927 558214195.90.96.2rrc00Currently valid
155.137.96.0/21AS5582144393 58057 6939 55821449.12.70.222rrc00Currently valid
155.137.96.0/21AS5582145049 6696 137409 63927 558215194.28.97.2rrc00Currently valid
155.137.96.0/21AS5582158057 34549 137409 63927 558215194.50.92.251rrc00Currently valid
155.137.96.0/21AS5582124482 558212203.175.175.15rrc00Currently valid
155.137.96.0/21AS55821204092 137409 63927 55821489.234.186.6rrc00Currently valid
155.137.96.0/21AS55821132825 3356 137409 63927 55821543.251.115.197rrc00Currently valid
155.137.96.0/21AS558213333 137409 63927 558214193.0.0.56rrc00Currently valid
155.137.96.0/21AS5582114907 137409 63927 558214208.80.153.193rrc00Currently valid
155.137.96.0/21AS5582137989 63927 558213203.123.48.6rrc00Currently valid
155.137.96.0/21AS55821202365 50673 137409 63927 5582155.255.90.109rrc00Currently valid
155.137.96.0/21AS5582120205 6939 55821364.246.96.5rrc00Currently valid
155.137.96.0/21AS5582161218 6939 558213143.246.179.232rrc00Currently valid
155.137.96.0/21AS5582137721 137409 63927 558214165.16.221.66rrc00Currently valid
155.137.96.0/21AS5582117639 558212202.69.160.152rrc00Currently valid
155.137.96.0/21AS558214608 137409 63927 558214203.119.104.1rrc00Currently valid
155.137.96.0/21AS558213549 3356 137409 63927 558215208.51.134.248rrc00Currently valid
155.137.96.0/21AS5582155720 55821 55821 55821 55821545.116.179.212rrc00Currently valid
155.137.96.0/21AS5582120514 1299 63927 63927 558215217.151.205.147rrc00Currently valid
155.137.96.0/21AS55821208972 137409 63927 55821445.12.55.0rrc00Currently valid
155.137.96.0/21AS5582134549 137409 63927 55821480.77.16.114rrc00Currently valid
155.137.96.0/21AS5582150304 137409 63927 55821431.169.49.228rrc00Currently valid
155.137.96.0/21AS5582157821 12586 3257 63927 558215193.160.39.1rrc00Currently valid
155.137.96.0/21AS5582122652 137409 63927 55821445.61.0.85rrc00Currently valid
155.137.96.0/21AS55821213241 9002 3257 63927 55821589.42.52.8rrc00Currently valid

Recent event window

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

Last observed
10/14/2026, 04:00:00
Peers in window
5
Collectors in window
1
Average path length
4.8
Longest path
5

Announcement / withdrawal history

Latest 30
TimeEventOrigin ASNAS pathPeerCollector
10/14/2026, 04:40:57AnnouncementAS5582158057 34549 137409 63927 55821194.50.92.251rrc00
10/14/2026, 04:40:57AnnouncementAS5582149432 48362 137409 63927 55821195.128.231.254rrc00
10/14/2026, 04:40:57AnnouncementAS55821206499 34549 137409 63927 5582145.14.68.69rrc00
10/14/2026, 04:40:57AnnouncementAS5582134549 137409 63927 5582180.77.16.114rrc00
10/14/2026, 04:40:55AnnouncementAS5582158057 1836 137409 63927 55821193.33.94.251rrc00
10/14/2026, 04:40:54AnnouncementAS5582158057 34549 137409 63927 55821194.50.92.251rrc00
10/14/2026, 04:40:54AnnouncementAS5582149432 48362 137409 63927 55821195.128.231.254rrc00
10/14/2026, 04:40:54AnnouncementAS55821206499 34549 137409 63927 5582145.14.68.69rrc00
10/14/2026, 04:40:54AnnouncementAS5582134549 137409 63927 5582180.77.16.114rrc00
10/14/2026, 02:15:49AnnouncementAS558211403 577 6461 137409 63927 55821198.58.198.252rrc00
10/14/2026, 02:15:34AnnouncementAS558211403 577 4637 55821198.58.198.252rrc00
10/14/2026, 02:15:23AnnouncementAS558211403 577 4637 55821198.58.198.252rrc00
10/13/2026, 08:05:34AnnouncementAS5582148185 137409 63927 55821195.90.96.2rrc00
10/13/2026, 07:05:46AnnouncementAS5582157821 12586 3257 63927 55821193.160.39.1rrc00
10/12/2026, 12:45:10AnnouncementAS5582157821 12586 3257 63927 55821193.160.39.1rrc00
10/11/2026, 10:35:03AnnouncementAS55821204092 137409 63927 5582189.234.186.6rrc00
10/11/2026, 10:30:18AnnouncementAS55821204092 137409 63927 5582189.234.186.6rrc00
10/10/2026, 23:20:04Withdrawal——195.128.231.254rrc00
10/9/2026, 13:20:33AnnouncementAS5582117639 55821202.69.160.152rrc00
10/8/2026, 17:55:41AnnouncementAS5582161218 6939 55821143.246.179.232rrc00
10/7/2026, 17:55:19AnnouncementAS5582138855 137409 63927 55821103.147.22.50rrc00
10/7/2026, 17:55:13AnnouncementAS5582149134 53356 6939 5582123.129.32.61rrc00
10/7/2026, 16:20:02AnnouncementAS5582114907 137409 63927 55821208.80.153.193rrc00
10/7/2026, 14:00:06AnnouncementAS5582137721 137409 63927 55821165.16.221.66rrc00
10/7/2026, 10:25:24AnnouncementAS5582129504 15935 174 137409 63927 55821185.193.84.191rrc00
10/5/2026, 15:40:33AnnouncementAS5582155720 6939 55821103.212.68.10rrc00
10/5/2026, 15:40:25AnnouncementAS5582155720 55821 55821 55821 5582145.116.179.212rrc00
10/5/2026, 15:40:15AnnouncementAS5582161218 6939 63927 55821143.246.179.232rrc00
10/5/2026, 15:40:15AnnouncementAS5582161218 6939 55821143.246.179.232rrc00
10/5/2026, 15:40:15AnnouncementAS5582144393 58057 6939 5582149.12.70.222rrc00

Hourly changes

SEVEN-DAY WINDOW · 4 time points
TimeAnnouncementsWithdrawalsPeerCollectorOrigin ASNAS path
10/14/2026, 04:00:00905114.8 / 5
10/14/2026, 02:00:00301114.7 / 6
10/11/2026, 10:00:00201114.0 / 4
10/10/2026, 23:00:0001110—
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