Prefix profile

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

81.209.128.0/17

Currently validIPv4

Origin ASNAS13237

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 history RPKI check RDAP registration

Prefix: 81.209.128.0/17
Current status: Currently valid
Origin ASN: AS13237
First observed: 8/28/2026, 07:30:02
Last observed: 10/15/2026, 16:00:00

Peer46Visible peers

Collector1Collectors

Announcements3Last 7 days, hourly aggregate

Withdrawals1Last 7 days, hourly aggregate

Origin ASN1Observed ASNs

Current routes and paths

46 observed

Prefix	Origin ASN	AS path	Path length	Peer	Collector	Status
81.209.128.0/17	AS13237	`58057 1836 13237`	3	193.33.94.251	rrc00	Currently valid
81.209.128.0/17	AS13237	`45049 6696 1299 13237`	4	194.28.97.2	rrc00	Currently valid
81.209.128.0/17	AS13237	`58057 34549 13237`	3	194.50.92.251	rrc00	Currently valid
81.209.128.0/17	AS13237	`34800 34549 13237`	3	194.50.99.254	rrc00	Currently valid
81.209.128.0/17	AS13237	`49432 48362 13237`	3	195.128.231.254	rrc00	Currently valid
81.209.128.0/17	AS13237	`48185 13237`	2	195.90.96.2	rrc00	Currently valid
81.209.128.0/17	AS13237	`1403 577 1299 13237`	4	198.58.198.252	rrc00	Currently valid
81.209.128.0/17	AS13237	`14907 1299 13237`	3	208.80.153.193	rrc00	Currently valid
81.209.128.0/17	AS13237	`37989 56300 132132 4657 13237`	5	203.123.48.6	rrc00	Currently valid
81.209.128.0/17	AS13237	`61218 6939 13237`	3	143.246.179.232	rrc00	Currently valid
81.209.128.0/17	AS13237	`34927 1299 13237`	3	193.148.251.1	rrc00	Currently valid
81.209.128.0/17	AS13237	`34549 13237`	2	80.77.16.114	rrc00	Currently valid
81.209.128.0/17	AS13237	`20514 1299 13237`	3	217.151.205.147	rrc00	Currently valid
81.209.128.0/17	AS13237	`852 3320 13237`	3	154.11.12.212	rrc00	Currently valid
81.209.128.0/17	AS13237	`57381 42708 13237`	3	193.150.22.240	rrc00	Currently valid
81.209.128.0/17	AS13237	`216285 8280 5405 13237`	4	84.54.49.1	rrc00	Currently valid
81.209.128.0/17	AS13237	`49134 53356 6939 13237`	4	23.129.32.61	rrc00	Currently valid
81.209.128.0/17	AS13237	`13830 971 174 1299 13237`	5	161.129.152.2	rrc00	Currently valid
81.209.128.0/17	AS13237	`57821 12586 3257 13237`	4	193.160.39.1	rrc00	Currently valid
81.209.128.0/17	AS13237	`204092 20766 13237`	3	89.234.186.6	rrc00	Currently valid
81.209.128.0/17	AS13237	`37721 13237`	2	165.16.221.66	rrc00	Currently valid
81.209.128.0/17	AS13237	`213241 9002 3257 13237`	4	89.42.52.8	rrc00	Currently valid
81.209.128.0/17	AS13237	`49673 20485 13237`	3	94.247.111.254	rrc00	Currently valid
81.209.128.0/17	AS13237	`50304 13237`	2	31.169.49.228	rrc00	Currently valid
81.209.128.0/17	AS13237	`132825 3356 3257 13237`	4	43.251.115.197	rrc00	Currently valid
81.209.128.0/17	AS13237	`55720 2914 1299 13237`	4	45.116.179.212	rrc00	Currently valid
81.209.128.0/17	AS13237	`208972 5405 13237`	3	45.12.55.0	rrc00	Currently valid
81.209.128.0/17	AS13237	`328840 327727 174 1299 13237`	5	102.208.105.2	rrc00	Currently valid
81.209.128.0/17	AS13237	`34927 56655 13237`	3	45.134.89.1	rrc00	Currently valid
81.209.128.0/17	AS13237	`206499 34549 13237`	3	45.14.68.69	rrc00	Currently valid
81.209.128.0/17	AS13237	`22652 1299 13237`	3	45.61.0.85	rrc00	Currently valid
81.209.128.0/17	AS13237	`44393 212024 13237`	3	49.12.70.222	rrc00	Currently valid
81.209.128.0/17	AS13237	`50300 13237`	2	176.12.110.8	rrc00	Currently valid
81.209.128.0/17	AS13237	`50628 13237`	2	178.208.11.4	rrc00	Currently valid
81.209.128.0/17	AS13237	`38001 3491 5405 13237`	4	202.150.221.37	rrc00	Currently valid
81.209.128.0/17	AS13237	`59919 13237`	2	5.178.95.254	rrc00	Currently valid
81.209.128.0/17	AS13237	`24482 13237`	2	203.175.175.15	rrc00	Currently valid
81.209.128.0/17	AS13237	`55720 6939 13237`	3	103.212.68.10	rrc00	Currently valid
81.209.128.0/17	AS13237	`17639 13237`	2	202.69.160.152	rrc00	Currently valid
81.209.128.0/17	AS13237	`29504 39392 33891 13237`	4	185.193.84.191	rrc00	Currently valid
81.209.128.0/17	AS13237	`202365 5405 13237`	3	5.255.90.109	rrc00	Currently valid
81.209.128.0/17	AS13237	`3549 3356 1299 13237`	4	208.51.134.248	rrc00	Currently valid
81.209.128.0/17	AS13237	`4608 7575 1299 13237`	4	203.119.104.1	rrc00	Currently valid
81.209.128.0/17	AS13237	`7018 1299 13237`	3	12.0.1.63	rrc00	Currently valid
81.209.128.0/17	AS13237	`3333 13237`	2	193.0.0.56	rrc00	Currently valid
81.209.128.0/17	AS13237	`20205 6939 13237`	3	64.246.96.5	rrc00	Currently valid

Recent event window

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

Last observed: 10/14/2026, 03:00:00
Peers in window: 1
Collectors in window: 1
Average path length: 5.0
Longest path: 5

Announcement / withdrawal history

Latest 30

Time	Event	Origin ASN	AS path	Peer	Collector
10/14/2026, 03:35:10	Announcement	AS13237	`328840 327727 174 1299 13237`	102.208.105.2	rrc00
10/13/2026, 14:35:09	Announcement	AS13237	`328840 327727 174 1299 13237`	102.208.105.2	rrc00
10/12/2026, 15:55:01	Announcement	AS13237	`4608 1221 4637 3257 13237`	203.119.104.1	rrc00
10/10/2026, 23:20:02	Withdrawal	—	`—`	195.128.231.254	rrc00
10/10/2026, 10:10:21	Announcement	AS13237	`17639 13237`	202.69.160.152	rrc00
10/9/2026, 03:30:15	Announcement	AS13237	`55720 3257 13237`	45.116.179.212	rrc00
10/8/2026, 22:35:15	Announcement	AS13237	`4608 1221 4637 3257 13237`	203.119.104.1	rrc00
10/8/2026, 22:35:09	Announcement	AS13237	`14907 1299 13237`	208.80.153.193	rrc00
10/8/2026, 17:55:26	Announcement	AS13237	`61218 6939 13237`	143.246.179.232	rrc00
10/8/2026, 12:00:05	Announcement	AS13237	`4608 1221 4637 3257 13237`	203.119.104.1	rrc00
10/7/2026, 17:55:10	Announcement	AS13237	`49134 53356 6939 13237`	23.129.32.61	rrc00
10/7/2026, 10:25:14	Announcement	AS13237	`29504 15935 5405 13237`	185.193.84.191	rrc00
10/7/2026, 07:00:39	Announcement	AS13237	`29504 15935 5405 13237`	185.193.84.191	rrc00
10/7/2026, 07:00:10	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/7/2026, 06:40:38	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/7/2026, 05:40:39	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/6/2026, 21:25:30	Announcement	AS13237	`29504 15935 5405 13237`	185.193.84.191	rrc00
10/6/2026, 21:25:02	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/6/2026, 21:20:26	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/6/2026, 20:15:07	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/6/2026, 20:15:07	Announcement	AS13237	`29504 15935 5405 13237`	185.193.84.191	rrc00
10/6/2026, 20:00:19	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/6/2026, 19:25:31	Announcement	AS13237	`29504 15935 5405 13237`	185.193.84.191	rrc00
10/6/2026, 19:25:31	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/6/2026, 19:25:04	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/6/2026, 06:20:33	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00
10/5/2026, 11:50:20	Announcement	AS13237	`57381 50304 13237`	193.150.22.240	rrc00
10/5/2026, 08:00:14	Announcement	AS13237	`29504 15935 5405 13237`	185.193.84.191	rrc00
10/5/2026, 06:50:43	Announcement	AS13237	`29504 15935 5405 13237`	185.193.84.191	rrc00
10/5/2026, 06:50:14	Announcement	AS13237	`29504 15935 13237`	185.193.84.191	rrc00

Hourly changes

SEVEN-DAY WINDOW · 4 time points

Time	Announcements	Withdrawals	Peer	Collector	Origin ASN	AS path
10/14/2026, 03:00:00	1	0	1	1	1	5.0 / 5
10/13/2026, 14:00:00	1	0	1	1	1	5.0 / 5
10/10/2026, 23:00:00	0	1	1	1	0	—
10/9/2026, 03:00:00	1	0	1	1	1	3.0 / 3

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