206208 looking glass

AS22238 Defense Advanced Research Projects Agency(DARPA) 🇺🇸 US

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes
6
1,536 (6 × /24)
IPv6 prefixes
0
-
Upstreams
2
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
AS22238
Name
Defense Advanced Research Projects Agency(DARPA)
Organisation
Defense Advanced Research Projects Agency(DARPA)
Country
🇺🇸 US
RIR
ARIN
Allocated
2001-08-23

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 6 no ROA (100.0%)

Announcement history

One point per day, recorded at each table import

0235609-1809-2510-0210-0910-1610-2310-29
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-20 18:36:05Z origin change 192.187.8.0/24 AS64537 → AS22238 44393580575335639425617422238
2026-10-20 18:36:04Z origin change 192.187.8.0/24 AS22238 → AS64537 4943221551031543506291742223864537
2026-10-20 18:35:59Z origin change 192.187.8.0/24 AS64537 → AS22238 3333332017422238
2026-10-20 18:35:52Z origin change 192.187.8.0/24 AS22238 → AS64537 1763993041742223864537
2026-10-20 18:35:09Z origin change 192.187.8.0/24 AS64537 → AS22238 22652129917422238
2026-10-20 17:13:40Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-20 11:05:19Z origin change 192.187.8.0/24 AS64537 → AS22238 46087575129917422238
2026-10-20 10:02:15Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-19 04:11:54Z origin change 192.187.8.0/24 AS64537 → AS22238 17639335617422238
2026-10-18 16:14:58Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-18 15:13:10Z origin change 192.187.8.0/24 AS64537 → AS22238 17639335617422238
2026-10-18 14:30:15Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-18 12:34:59Z origin change 192.187.8.0/24 AS64537 → AS22238 17639335617422238
2026-10-17 07:23:38Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-17 01:42:34Z origin change 192.187.8.0/24 AS64537 → AS22238 3549335617422238
2026-10-17 01:42:32Z origin change 192.187.8.0/24 AS22238 → AS64537 176391742223864537
2026-10-17 01:42:14Z origin change 192.187.8.0/24 AS22238 → AS64537 1328251742223864537
2026-10-17 01:42:07Z origin change 192.187.8.0/24 AS64537 → AS22238 20514129917422238
2026-10-17 01:41:38Z origin change 192.187.8.0/24 AS64537 → AS22238 37721129917422238
2026-10-17 01:41:35Z origin change 192.187.8.0/24 AS22238 → AS64537 176391742223864537
2026-10-16 16:08:49Z origin change 192.187.8.0/24 AS64537 → AS22238 20649934549325717422238
2026-10-16 14:14:06Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-16 08:23:49Z origin change 192.187.8.0/24 AS64537 → AS22238 379895630013213246574637646117422238
2026-10-16 06:32:16Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-16 02:55:54Z origin change 192.187.8.0/24 AS64537 → AS22238 3798956300132132465717422238
2026-10-16 02:44:13Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-15 21:06:59Z origin change 192.187.8.0/24 AS64537 → AS22238 1403577129917422238
2026-10-15 21:05:52Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-15 15:11:36Z origin change 192.187.8.0/24 AS64537 → AS22238 48185335617422238
2026-10-15 15:11:27Z origin change 192.187.8.0/24 AS22238 → AS64537 176391742223864537
2026-10-15 15:11:20Z origin change 192.187.8.0/24 AS22238 → AS64537 3288403277271742223864537
2026-10-15 15:11:20Z origin change 192.187.8.0/24 AS64537 → AS22238 3333125717422238
2026-10-15 15:11:09Z origin change 192.187.8.0/24 AS64537 → AS22238 4967320485129917422238
2026-10-15 15:11:07Z origin change 192.187.8.0/24 AS22238 → AS64537 1328251742223864537