206208 looking glass

AS21054 Natwest Markets PLC 🇬🇧 GB

Announcing 13 prefixes, seen at the RIS collectors.

IPv4 prefixes
13
134,912 (527 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS21054
Name
Natwest Markets PLC
Organisation
Natwest Markets PLC
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2001-08-08

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 13 no ROA (100.0%)

Announcement history

One point per day, recorded at each table import

048111509-1809-2409-3010-0610-1210-1810-2410-28
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-28 07:57:38Z origin change 155.136.202.0/23 AS21054 → AS21301 149071299127321301213012130121301
2026-10-28 07:57:38Z origin change 155.136.200.0/23 AS21054 → AS21301 149071299127321301213012130121301
2026-10-28 07:57:38Z origin change 155.136.0.0/16 AS21301 → AS21054 149071299127321054210542105421054
2026-10-28 07:04:45Z origin change 155.136.202.0/23 AS21301 → AS21054 149071299127321054210542105421054
2026-10-28 07:04:45Z origin change 155.136.200.0/23 AS21301 → AS21054 149071299127321054210542105421054
2026-10-28 07:04:45Z origin change 155.136.0.0/16 AS21054 → AS21301 149071299127321301213012130121301
2026-10-28 02:03:48Z origin change 155.136.0.0/16 AS21301 → AS21054 226521299127321054210542105421054
2026-10-28 02:03:15Z origin change 155.136.200.0/23 AS21054 → AS21301 226521299127321301213012130121301
2026-10-28 02:03:15Z origin change 155.136.202.0/23 AS21054 → AS21301 226521299127321301213012130121301
2026-10-27 16:25:27Z origin change 155.136.0.0/16 AS21054 → AS21301 1328253356127321301213012130121301
2026-10-27 16:25:27Z origin change 155.136.200.0/23 AS21301 → AS21054 1328253356127321054210542105421054
2026-10-27 16:25:27Z origin change 155.136.202.0/23 AS21301 → AS21054 1328253356127321054210542105421054
2026-10-27 14:05:10Z origin change 155.136.0.0/16 AS21301 → AS21054 1328253356127321054210542105421054
2026-10-27 14:05:10Z origin change 155.136.200.0/23 AS21054 → AS21301 1328253356127321301213012130121301
2026-10-27 14:05:10Z origin change 155.136.202.0/23 AS21054 → AS21301 1328253356127321301213012130121301
2026-10-27 13:56:59Z origin change 155.136.0.0/16 AS21054 → AS21301 1328253356127321301213012130121301
2026-10-27 13:56:59Z origin change 155.136.200.0/23 AS21301 → AS21054 1328253356127321054210542105421054
2026-10-27 13:56:59Z origin change 155.136.202.0/23 AS21301 → AS21054 1328253356127321054210542105421054
2026-10-27 08:13:14Z origin change 155.136.202.0/23 AS21054 → AS21301 349271299127321301213012130121301
2026-10-27 08:13:14Z origin change 155.136.200.0/23 AS21054 → AS21301 349271299127321301213012130121301
2026-10-27 08:13:14Z origin change 155.136.0.0/16 AS21301 → AS21054 349271299127321054210542105421054
2026-10-27 08:09:17Z origin change 155.136.200.0/23 AS21301 → AS21054 4967320485127321054210542105421054
2026-10-27 08:09:09Z origin change 155.136.202.0/23 AS21301 → AS21054 4967320485127321054210542105421054
2026-10-27 08:09:07Z origin change 155.136.0.0/16 AS21054 → AS21301 4967320485127321301213012130121301
2026-10-27 07:26:40Z origin change 155.136.202.0/23 AS21054 → AS21301 328840327727174127321301213012130121301
2026-10-27 07:26:40Z origin change 155.136.200.0/23 AS21054 → AS21301 328840327727174127321301213012130121301
2026-10-27 07:26:40Z origin change 155.136.0.0/16 AS21301 → AS21054 328840327727174127321054210542105421054
2026-10-27 07:09:13Z origin change 155.136.202.0/23 AS21054 → AS21301 349271299127321301213012130121301
2026-10-27 07:09:13Z origin change 155.136.200.0/23 AS21054 → AS21301 349271299127321301213012130121301
2026-10-27 07:09:13Z origin change 155.136.0.0/16 AS21301 → AS21054 349271299127321054210542105421054
2026-10-27 07:09:13Z origin change 155.136.200.0/23 AS21301 → AS21054 349271299127321054210542105421054
2026-10-27 07:09:13Z origin change 155.136.202.0/23 AS21301 → AS21054 349271299127321054210542105421054
2026-10-27 07:09:13Z origin change 155.136.0.0/16 AS21054 → AS21301 349271299127321301213012130121301
2026-10-27 06:51:24Z origin change 155.136.0.0/16 AS21054 → AS21301 49134533566939127321301213012130121301
2026-10-27 06:51:22Z origin change 155.136.202.0/23 AS21301 → AS21054 49134533566939127321054210542105421054
2026-10-27 06:51:22Z origin change 155.136.200.0/23 AS21301 → AS21054 49134533566939127321054210542105421054
2026-10-27 04:17:06Z origin change 155.136.0.0/16 AS21301 → AS21054 328840327727174127321054210542105421054
2026-10-27 01:06:23Z origin change 155.136.0.0/16 AS21054 → AS21301 49432483629002285621301213012130121301
2026-10-26 21:35:09Z origin change 155.136.202.0/23 AS21054 → AS21301 328840327727174127321301213012130121301
2026-10-26 21:35:09Z origin change 155.136.200.0/23 AS21054 → AS21301 328840327727174127321301213012130121301
2026-10-26 21:35:09Z origin change 155.136.0.0/16 AS21301 → AS21054 328840327727174127321054210542105421054
2026-10-26 19:48:12Z origin change 155.136.200.0/23 AS21301 → AS21054 8523257127321054210542105421054
2026-10-26 19:48:12Z origin change 155.136.202.0/23 AS21301 → AS21054 8523257127321054210542105421054
2026-10-26 19:48:12Z origin change 155.136.0.0/16 AS21054 → AS21301 8523257127321301213012130121301
2026-10-26 17:28:12Z origin change 155.136.0.0/16 AS21301 → AS21054 380013491127321054210542105421054
2026-10-26 17:28:12Z origin change 155.136.200.0/23 AS21054 → AS21301 380013491127321301213012130121301
2026-10-26 17:28:12Z origin change 155.136.202.0/23 AS21054 → AS21301 380013491127321301213012130121301
2026-10-26 08:49:56Z origin change 155.136.202.0/23 AS21301 → AS21054 13830971174127321054210542105421054
2026-10-26 08:49:56Z origin change 155.136.200.0/23 AS21301 → AS21054 13830971174127321054210542105421054
2026-10-26 08:49:56Z origin change 155.136.0.0/16 AS21054 → AS21301 13830971174127321301213012130121301
2026-10-26 02:15:13Z origin change 155.136.202.0/23 AS21054 → AS21301 21628582806762127321301213012130121301
2026-10-26 02:15:13Z origin change 155.136.200.0/23 AS21054 → AS21301 21628582806762127321301213012130121301
2026-10-26 02:15:13Z origin change 155.136.0.0/16 AS21301 → AS21054 21628582806762127321054210542105421054
2026-10-25 23:01:58Z origin change 155.136.0.0/16 AS21054 → AS21301 21628582806762127321301213012130121301
2026-10-25 23:01:57Z origin change 155.136.202.0/23 AS21301 → AS21054 21628582806762127321054210542105421054
2026-10-25 23:01:57Z origin change 155.136.200.0/23 AS21301 → AS21054 21628582806762127321054210542105421054
2026-10-25 15:05:44Z origin change 155.136.0.0/16 AS21301 → AS21054 49134533566939127321054210542105421054
2026-10-25 15:05:44Z origin change 155.136.202.0/23 AS21054 → AS21301 49134533566939127321301213012130121301
2026-10-25 15:05:44Z origin change 155.136.200.0/23 AS21054 → AS21301 49134533566939127321301213012130121301
2026-10-25 14:26:47Z origin change 155.136.0.0/17 AS21301 → AS21054 204092207663278721054
2026-10-25 14:26:46Z origin change 155.136.128.0/17 AS21301 → AS21054 333312573278721054
2026-10-25 12:30:34Z origin change 155.136.200.0/23 AS21301 → AS21054 57821125863257127321054210542105421054
2026-10-25 12:30:34Z origin change 155.136.202.0/23 AS21301 → AS21054 57821125863257127321054210542105421054
2026-10-25 12:30:28Z origin change 155.136.0.0/16 AS21054 → AS21301 57821125863257127321301213012130121301
2026-10-24 16:23:54Z origin change 155.136.0.0/16 AS21301 → AS21054 8523257127321054210542105421054
2026-10-24 15:52:23Z origin change 155.136.0.0/16 AS21054 → AS21301 17639285621301213012130121301
2026-10-24 14:02:42Z origin change 155.136.0.0/16 AS21301 → AS21054 58057174127321054210542105421054
2026-10-24 14:02:37Z origin change 155.136.200.0/23 AS21054 → AS21301 58057174127321301213012130121301
2026-10-24 14:02:37Z origin change 155.136.202.0/23 AS21054 → AS21301 58057174127321301213012130121301
2026-10-24 02:48:19Z origin change 155.136.200.0/23 AS21301 → AS21054 244822914127321054210542105421054
2026-10-24 02:48:19Z origin change 155.136.202.0/23 AS21301 → AS21054 244822914127321054210542105421054
2026-10-24 01:32:20Z origin change 155.136.200.0/23 AS21054 → AS21301 50300285621301213012130121301
2026-10-24 01:32:20Z origin change 155.136.202.0/23 AS21054 → AS21301 50300285621301213012130121301
2026-10-23 23:33:06Z origin change 155.136.202.0/23 AS21301 → AS21054 2950439392338915400285621054210542105421054
2026-10-23 23:31:37Z origin change 155.136.202.0/23 AS21054 → AS21301 2950439392338915400285621301213012130121301
2026-10-23 23:22:58Z origin change 155.136.202.0/23 AS21301 → AS21054 2950439392338915400285621054210542105421054
2026-10-23 23:15:28Z origin change 155.136.0.0/17 AS21054 → AS21301 206499345493278721301
2026-10-23 23:15:28Z origin change 155.136.128.0/17 AS21054 → AS21301 206499345493278721301
2026-10-23 23:13:54Z origin change 155.136.128.0/17 AS21301 → AS21054 49432483623278721054
2026-10-23 23:13:54Z origin change 155.136.0.0/17 AS21301 → AS21054 49432483623278721054
2026-10-23 23:13:52Z origin change 155.136.202.0/23 AS21054 → AS21301 2950439392338915400285621301213012130121301
2026-10-23 23:13:22Z origin change 155.136.202.0/23 AS21301 → AS21054 2950439392338915400285621054210542105421054
2026-10-23 23:12:09Z origin change 155.136.202.0/23 AS21054 → AS21301 354933565400285621301213012130121301
2026-10-23 23:11:43Z origin change 155.136.128.0/17 AS21054 → AS21301 349273278721301
2026-10-23 23:11:43Z origin change 155.136.0.0/17 AS21054 → AS21301 349273278721301
2026-10-23 23:11:41Z origin change 155.136.128.0/17 AS21301 → AS21054 3549335612993278721054
2026-10-23 23:11:41Z origin change 155.136.0.0/17 AS21301 → AS21054 3549335612993278721054
2026-10-23 23:11:35Z origin change 155.136.128.0/17 AS21054 → AS21301 176393278721301
2026-10-23 23:11:35Z origin change 155.136.0.0/17 AS21054 → AS21301 176393278721301
2026-10-23 23:11:11Z origin change 155.136.202.0/23 AS21301 → AS21054 354933565400285621054210542105421054
2026-10-23 23:11:05Z origin change 155.136.202.0/23 AS21054 → AS21301 2950439392338915400285621301213012130121301
2026-10-23 23:10:37Z origin change 155.136.0.0/17 AS21301 → AS21054 295043278721054
2026-10-23 23:10:37Z origin change 155.136.128.0/17 AS21301 → AS21054 295043278721054
2026-10-23 23:10:05Z origin change 155.136.202.0/23 AS21301 → AS21054 2950439392338915400285621054210542105421054
2026-10-23 23:07:01Z origin change 155.136.202.0/23 AS21054 → AS21301 2950439392338915400285621301213012130121301
2026-10-23 20:06:34Z origin change 155.136.202.0/23 AS21301 → AS21054 244822914127321054210542105421054
2026-10-23 20:06:34Z origin change 155.136.200.0/23 AS21301 → AS21054 244822914127321054210542105421054
2026-10-23 14:39:49Z origin change 155.136.0.0/16 AS21054 → AS21301 599199002285621301213012130121301
2026-10-23 11:07:27Z origin change 155.136.202.0/23 AS21054 → AS21301 149071299127321301213012130121301
2026-10-23 11:07:27Z origin change 155.136.200.0/23 AS21054 → AS21301 149071299127321301213012130121301