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Prefix profile

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

177.238.152.0/21

Currently validIPv4

Origin ASNAS28509

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
177.238.152.0/21
Current status
Currently valid
Origin ASN
AS28509
First observed
8/28/2026, 13:00:11
Last observed
10/15/2026, 16:00:00
Peer41Visible peers
Collector1Collectors
Announcements4Last 7 days, hourly aggregate
Withdrawals0Last 7 days, hourly aggregate
Origin ASN1Observed ASNs

Current routes and paths

42 observed
PrefixOrigin ASNAS pathPath lengthPeerCollectorStatus
177.238.152.0/21AS2850950300 3356 18734 285094176.12.110.8rrc00Currently valid
177.238.152.0/21AS2850934927 56655 1299 18734 28509545.134.89.1rrc00Currently valid
177.238.152.0/21AS2850957821 12586 3257 32098 18734 18734 18734 18734 285099193.160.39.1rrc00Currently valid
177.238.152.0/21AS28509213241 9002 6461 18734 28509589.42.52.8rrc00Currently valid
177.238.152.0/21AS28509328840 327727 174 18734 285095102.208.105.2rrc00Currently valid
177.238.152.0/21AS2850955720 6939 18734 285094103.212.68.10rrc00Currently valid
177.238.152.0/21AS2850944393 58057 6939 18734 28509549.12.70.222rrc00Currently valid
177.238.152.0/21AS2850937721 6461 18734 285094165.16.221.66rrc00Currently valid
177.238.152.0/21AS2850955720 2914 32098 18734 18734 18734 18734 28509845.116.179.212rrc00Currently valid
177.238.152.0/21AS28509202365 50673 174 18734 2850955.255.90.109rrc00Currently valid
177.238.152.0/21AS2850949134 53356 6939 18734 28509523.129.32.61rrc00Currently valid
177.238.152.0/21AS2850924482 6461 18734 285094203.175.175.15rrc00Currently valid
177.238.152.0/21AS2850934549 6461 18734 28509480.77.16.114rrc00Currently valid
177.238.152.0/21AS2850959919 9002 6461 18734 2850955.178.95.254rrc00Currently valid
177.238.152.0/21AS2850958057 174 18734 285094193.33.94.251rrc00Currently valid
177.238.152.0/21AS2850920514 1299 18734 285094217.151.205.147rrc00Currently valid
177.238.152.0/21AS2850937989 56300 132132 4657 6453 32098 18734 18734 18734 18734 2850911203.123.48.6rrc00Currently valid
177.238.152.0/21AS28509216285 8280 6762 18734 18734 18734 18734 28509884.54.49.1rrc00Currently valid
177.238.152.0/21AS2850949673 20485 1299 18734 28509594.247.111.254rrc00Currently valid
177.238.152.0/21AS285093549 3356 18734 285094208.51.134.248rrc00Currently valid
177.238.152.0/21AS2850934927 1299 18734 285094193.148.251.1rrc00Currently valid
177.238.152.0/21AS285097018 1299 18734 28509412.0.1.63rrc00Currently valid
177.238.152.0/21AS2850957381 42708 6461 18734 285095193.150.22.240rrc00Currently valid
177.238.152.0/21AS2850913830 971 32098 18734 18734 18734 18734 285098161.129.152.2rrc00Currently valid
177.238.152.0/21AS2850945049 6696 1299 18734 285095194.28.97.2rrc00Currently valid
177.238.152.0/21AS2850958057 34549 6461 18734 285095194.50.92.251rrc00Currently valid
177.238.152.0/21AS285093333 1257 6461 18734 285095193.0.0.56rrc00Currently valid
177.238.152.0/21AS2850920205 1299 18734 28509464.246.96.5rrc00Currently valid
177.238.152.0/21AS2850948185 6461 18734 285094195.90.96.2rrc00Currently valid
177.238.152.0/21AS28509206499 34549 6461 18734 28509545.14.68.69rrc00Currently valid
177.238.152.0/21AS2850961218 6939 18734 285094143.246.179.232rrc00Currently valid
177.238.152.0/21AS285091403 577 6461 18734 285095198.58.198.252rrc00Currently valid
177.238.152.0/21AS28509852 6461 18734 285094154.11.12.212rrc00Currently valid
177.238.152.0/21AS2850914907 32098 18734 18734 18734 18734 285097208.80.153.193rrc00Currently valid
177.238.152.0/21AS2850950304 1299 18734 28509431.169.49.228rrc00Currently valid
177.238.152.0/21AS2850949432 48362 1299 18734 285095195.128.231.254rrc00Currently valid
177.238.152.0/21AS2850922652 1299 18734 28509445.61.0.85rrc00Currently valid
177.238.152.0/21AS28509204092 198978 174 18734 28509589.234.186.6rrc00Currently valid
177.238.152.0/21AS2850917639 6461 18734 285094202.69.160.152rrc00Currently valid
177.238.152.0/21AS2850929504 39392 33891 6461 18734 285096185.193.84.191rrc00Currently valid
177.238.152.0/21AS28509132825 174 18734 28509443.251.115.197rrc00Currently valid
177.238.152.0/21—Not recorded—178.208.11.4rrc00Withdrawn

Recent event window

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

Last observed
10/14/2026, 11:00:00
Peers in window
1
Collectors in window
1
Average path length
5.0
Longest path
5

Announcement / withdrawal history

Latest 30
TimeEventOrigin ASNAS pathPeerCollector
10/14/2026, 11:15:09AnnouncementAS285094608 7575 1299 18734 28509203.119.104.1rrc00
10/14/2026, 03:35:27AnnouncementAS28509328840 327727 174 18734 28509102.208.105.2rrc00
10/13/2026, 07:25:13AnnouncementAS2850955720 6939 6461 18734 28509103.212.68.10rrc00
10/12/2026, 21:55:02AnnouncementAS28509328840 327727 174 18734 28509102.208.105.2rrc00
10/12/2026, 21:30:47AnnouncementAS285091403 577 6461 18734 28509198.58.198.252rrc00
10/12/2026, 21:30:43AnnouncementAS285091403 577 6461 18734 28509198.58.198.252rrc00
10/12/2026, 21:30:33AnnouncementAS285091403 577 6461 18734 28509198.58.198.252rrc00
10/12/2026, 21:30:32AnnouncementAS285091403 577 6461 18734 28509198.58.198.252rrc00
10/12/2026, 21:30:22AnnouncementAS28509852 1299 18734 28509154.11.12.212rrc00
10/12/2026, 21:30:13AnnouncementAS285091403 577 6461 18734 28509198.58.198.252rrc00
10/12/2026, 21:30:09AnnouncementAS2850917639 6939 18734 28509202.69.160.152rrc00
10/12/2026, 21:30:06AnnouncementAS2850957381 42708 1299 18734 28509193.150.22.240rrc00
10/12/2026, 06:05:01AnnouncementAS285094608 7575 1299 18734 28509203.119.104.1rrc00
10/10/2026, 23:20:08AnnouncementAS2850949432 215510 48362 1299 18734 28509195.128.231.254rrc00
10/10/2026, 10:50:22AnnouncementAS2850917639 6461 18734 28509202.69.160.152rrc00
10/9/2026, 09:00:44AnnouncementAS285094608 7575 1299 18734 28509203.119.104.1rrc00
10/9/2026, 03:30:43AnnouncementAS2850955720 3257 32098 18734 18734 18734 18734 2850945.116.179.212rrc00
10/8/2026, 22:35:25AnnouncementAS285094608 7575 1299 18734 28509203.119.104.1rrc00
10/8/2026, 17:55:35AnnouncementAS2850961218 6939 18734 28509143.246.179.232rrc00
10/8/2026, 14:25:28AnnouncementAS2850950300 3356 18734 28509176.12.110.8rrc00
10/8/2026, 12:00:30AnnouncementAS285094608 7575 1299 18734 28509203.119.104.1rrc00
10/7/2026, 23:40:26AnnouncementAS2850959919 9002 6461 18734 285095.178.95.254rrc00
10/7/2026, 22:00:33AnnouncementAS2850959919 9002 6461 18734 285095.178.95.254rrc00
10/7/2026, 17:55:07AnnouncementAS2850949134 53356 6939 18734 2850923.129.32.61rrc00
10/7/2026, 16:45:16AnnouncementAS2850914907 18734 28509208.80.153.193rrc00
10/7/2026, 10:25:13AnnouncementAS2850929504 15935 6461 18734 28509185.193.84.191rrc00
10/5/2026, 18:25:05AnnouncementAS2850914907 32098 18734 18734 18734 18734 28509208.80.153.193rrc00
10/5/2026, 18:25:04AnnouncementAS2850914907 18734 28509208.80.153.193rrc00
10/5/2026, 18:25:02AnnouncementAS2850914907 3356 18734 28509208.80.153.193rrc00
10/5/2026, 18:25:02AnnouncementAS2850913830 971 32098 18734 18734 18734 18734 28509161.129.152.2rrc00

Hourly changes

SEVEN-DAY WINDOW · 4 time points
TimeAnnouncementsWithdrawalsPeerCollectorOrigin ASNAS path
10/14/2026, 11:00:00101115.0 / 5
10/14/2026, 03:00:00101115.0 / 5
10/10/2026, 23:00:00101116.0 / 6
10/9/2026, 03:00:00101118.0 / 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