206208 looking glass

AS3561 Lumen (ex. Savvis) 🇺🇸 US

CenturyLink Communications, LLC. Announcing 775 prefixes, seen at the RIS collectors.

IPv4 prefixes
774
10,268,800 (40,113 × /24)
IPv6 prefixes
1
4 × /48
Upstreams
3
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
42
transit customers observed
Customer cone
44
ASes reachable through it

Registry and operator data

AS number
AS3561
Name
Lumen (ex. Savvis)
Organisation
Lumen AS3561
Country
🇺🇸 US
RIR
ARIN
Allocated
1998-10-07
Network type
NSP
Traffic levels
1-5Tbps
Scope
Global
Peering policy
Restrictive
Website
http://www.lumen.com/
PeeringDB
net/1836

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

246 valid (31.7%) 14 invalid (1.8%) 515 no ROA (66.5%)

Announcement history

One point per day, recorded at each table import

019438758177409-1809-2309-2810-0310-0810-1310-1810-21
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-21 17:22:36Z origin change 200.229.25.0/24 AS3561 → AS53356 4913453356
2026-10-21 17:22:36Z origin change 162.33.165.0/24 AS3561 → AS53356 4913453356
2026-10-21 15:51:19Z new prefix 205.186.120.0/24 AS3561 Lumen (ex. Savvis) 4913453356693933563561
2026-10-21 15:51:19Z origin change 136.0.107.0/24 AS401152 → AS3561 4913453356693933563561
2026-10-21 15:51:19Z origin change 136.0.191.0/24 AS401152 → AS3561 4913453356693933563561
2026-10-21 15:51:19Z origin change 136.0.242.0/24 AS401152 → AS3561 4913453356693933563561
2026-10-21 12:18:47Z origin change 104.253.130.0/24 AS3561 → AS9009 176399009
2026-10-21 07:09:12Z origin change 45.38.249.0/24 AS3561 → AS211273 35493356129932097211273
2026-10-21 07:09:12Z origin change 142.252.55.0/24 AS3561 → AS23511 35493356693923511
2026-10-21 07:08:43Z origin change 104.253.36.0/24 AS3561 → AS9009 3549335612999009
2026-10-21 07:04:08Z origin change 142.252.55.0/24 AS23511 → AS3561 354933563561
2026-10-21 07:03:24Z origin change 142.252.55.0/24 AS3561 → AS23511 205148434693923511
2026-10-21 06:59:20Z origin change 45.38.219.0/24 AS3561 → AS8881 1328253356129988818881
2026-10-21 06:56:39Z origin change 45.38.249.0/24 AS211273 → AS3561 354933563561
2026-10-21 06:50:00Z origin change 45.38.219.0/24 AS8881 → AS3561 354933563561
2026-10-21 06:49:10Z origin change 45.38.219.0/24 AS3561 → AS8881 138309713356129988818881
2026-10-21 05:29:20Z origin change 45.38.249.0/24 AS3561 → AS211273 37721129932097211273
2026-10-21 05:26:40Z origin change 142.252.55.0/24 AS23511 → AS3561 354933563561
2026-10-21 05:25:10Z origin change 104.253.36.0/24 AS9009 → AS3561 354933563561
2026-10-21 05:23:41Z origin change 45.38.219.0/24 AS8881 → AS3561 354933563561
2026-10-21 05:23:41Z origin change 45.38.249.0/24 AS211273 → AS3561 354933563561
2026-10-21 05:23:31Z origin change 104.253.130.0/24 AS9009 → AS3561 1490733563561
2026-10-21 05:23:30Z origin change 104.253.130.0/24 AS3561 → AS9009 379895630013213246571749009
2026-10-21 01:20:33Z origin change 104.253.130.0/24 AS9009 → AS3561 701833563561
2026-10-21 00:41:32Z origin change 103.11.68.0/22 AS60117 → AS3561 32884032772717433562093561
2026-10-21 00:41:18Z origin change 209.73.148.0/24 AS18779 → AS3561 4439358057693933562093561
2026-10-21 00:41:08Z origin change 209.73.148.0/24 AS3561 → AS18779 55720325739699818779
2026-10-21 00:40:43Z origin change 103.11.68.0/22 AS3561 → AS60117 2023655067333891900960117
2026-10-21 00:40:43Z origin change 209.73.148.0/24 AS3561 → AS18779 20236550673900239699818779
2026-10-21 00:40:43Z origin change 209.73.147.0/24 AS18779 → AS3561 33331136291433563561
2026-10-21 00:40:43Z origin change 209.73.140.0/24 AS18779 → AS3561 33331136291433563561
2026-10-21 00:40:43Z origin change 216.172.136.0/24 AS18779 → AS3561 33331136291433563561
2026-10-21 00:40:43Z origin change 209.73.148.0/24 AS18779 → AS3561 33331136291433563561
2026-10-21 00:40:43Z origin change 209.73.130.0/24 AS18779 → AS3561 33331136291433563561
2026-10-21 00:40:43Z origin change 216.172.147.0/24 AS18779 → AS3561 33331136291433563561
2026-10-21 00:40:38Z origin change 209.73.130.0/24 AS3561 → AS18779 55720325739699818779
2026-10-21 00:40:38Z origin change 209.73.140.0/24 AS3561 → AS18779 55720325739699818779
2026-10-21 00:40:38Z origin change 209.73.147.0/24 AS3561 → AS18779 55720325739699818779
2026-10-21 00:40:38Z origin change 216.172.136.0/24 AS3561 → AS18779 55720325739699818779
2026-10-21 00:40:38Z origin change 216.172.147.0/24 AS3561 → AS18779 55720325739699818779
2026-10-21 00:40:24Z origin change 209.73.130.0/24 AS18779 → AS3561 55720693933562093561
2026-10-21 00:40:24Z origin change 209.73.140.0/24 AS18779 → AS3561 55720693933562093561
2026-10-21 00:40:24Z origin change 209.73.147.0/24 AS18779 → AS3561 55720693933562093561
2026-10-21 00:40:24Z origin change 216.172.136.0/24 AS18779 → AS3561 55720693933562093561
2026-10-21 00:40:24Z origin change 216.172.147.0/24 AS18779 → AS3561 55720693933562093561
2026-10-21 00:40:24Z origin change 209.73.148.0/24 AS18779 → AS3561 55720291433563561
2026-10-21 00:40:23Z origin change 216.172.136.0/24 AS3561 → AS18779 852325739699818779
2026-10-21 00:40:23Z origin change 209.73.130.0/24 AS3561 → AS18779 852325739699818779
2026-10-21 00:40:23Z origin change 209.73.140.0/24 AS3561 → AS18779 852325739699818779
2026-10-21 00:40:23Z origin change 216.172.147.0/24 AS3561 → AS18779 852325739699818779
2026-10-21 00:40:23Z origin change 209.73.148.0/24 AS3561 → AS18779 852325739699818779
2026-10-21 00:40:23Z origin change 209.73.147.0/24 AS3561 → AS18779 852325739699818779
2026-10-21 00:40:17Z origin change 209.73.147.0/24 AS18779 → AS3561 4439339425617433563561
2026-10-21 00:40:17Z origin change 209.73.140.0/24 AS18779 → AS3561 4439339425617433563561
2026-10-21 00:40:17Z origin change 216.172.147.0/24 AS18779 → AS3561 4439339425617433563561
2026-10-21 00:40:17Z origin change 216.172.136.0/24 AS18779 → AS3561 4439339425617433563561
2026-10-21 00:40:17Z origin change 209.73.148.0/24 AS18779 → AS3561 4439339425617433563561
2026-10-21 00:40:17Z origin change 209.73.130.0/24 AS18779 → AS3561 4439339425617433563561
2026-10-21 00:40:13Z origin change 216.172.136.0/24 AS3561 → AS18779 20236550673900239699818779
2026-10-21 00:40:13Z origin change 216.172.147.0/24 AS3561 → AS18779 20236550673900239699818779
2026-10-21 00:40:13Z origin change 209.73.130.0/24 AS3561 → AS18779 34927566551299325739699818779
2026-10-21 00:40:13Z origin change 209.73.148.0/24 AS3561 → AS18779 34927566551299325739699818779
2026-10-21 00:40:13Z origin change 209.73.147.0/24 AS3561 → AS18779 34927566551299325739699818779
2026-10-21 00:40:13Z origin change 209.73.140.0/24 AS3561 → AS18779 34927566551299325739699818779
2026-10-21 00:40:11Z origin change 209.73.130.0/24 AS18779 → AS3561 46081221463733562093561
2026-10-21 00:40:11Z origin change 209.73.140.0/24 AS18779 → AS3561 46081221463733562093561
2026-10-21 00:40:11Z origin change 209.73.147.0/24 AS18779 → AS3561 46081221463733562093561
2026-10-21 00:40:11Z origin change 209.73.148.0/24 AS18779 → AS3561 46081221463733562093561
2026-10-21 00:40:11Z origin change 216.172.136.0/24 AS18779 → AS3561 46081221463733562093561
2026-10-21 00:40:11Z origin change 216.172.147.0/24 AS18779 → AS3561 46081221463733562093561
2026-10-21 00:40:10Z origin change 103.11.68.0/22 AS60117 → AS3561 22652129933562093561
2026-10-21 00:40:10Z origin change 209.73.130.0/24 AS3561 → AS18779 22652325739699818779
2026-10-21 00:40:10Z origin change 216.172.136.0/24 AS3561 → AS18779 22652325739699818779
2026-10-21 00:40:10Z origin change 209.73.140.0/24 AS3561 → AS18779 22652325739699818779
2026-10-21 00:40:10Z origin change 216.172.147.0/24 AS3561 → AS18779 22652325739699818779
2026-10-21 00:40:10Z origin change 209.73.148.0/24 AS3561 → AS18779 22652325739699818779
2026-10-21 00:40:10Z origin change 209.73.147.0/24 AS3561 → AS18779 22652325739699818779
2026-10-21 00:40:05Z origin change 209.73.148.0/24 AS18779 → AS3561 44393394256693933563561
2026-10-21 00:40:05Z origin change 103.11.68.0/22 AS3561 → AS60117 44393580576939900960117
2026-10-21 00:40:05Z origin change 103.11.68.0/22 AS60117 → AS3561 5782112586325733562093561
2026-10-21 00:40:05Z origin change 103.11.68.0/22 AS3561 → AS60117 612186939900960117
2026-10-21 00:40:02Z origin change 209.73.140.0/24 AS18779 → AS3561 24482291433562093561
2026-10-21 00:40:02Z origin change 209.73.130.0/24 AS18779 → AS3561 24482291433562093561
2026-10-21 00:40:02Z origin change 209.73.147.0/24 AS18779 → AS3561 24482291433562093561
2026-10-21 00:40:02Z origin change 216.172.147.0/24 AS18779 → AS3561 24482291433562093561
2026-10-21 00:40:02Z origin change 216.172.136.0/24 AS18779 → AS3561 24482291433562093561
2026-10-21 00:40:00Z origin change 216.172.136.0/24 AS18779 → AS3561 85217433563561
2026-10-21 00:40:00Z origin change 209.73.130.0/24 AS18779 → AS3561 85217433563561
2026-10-21 00:40:00Z origin change 209.73.140.0/24 AS18779 → AS3561 85217433563561
2026-10-21 00:40:00Z origin change 216.172.147.0/24 AS18779 → AS3561 85217433563561
2026-10-21 00:40:00Z origin change 209.73.148.0/24 AS18779 → AS3561 85217433563561
2026-10-21 00:40:00Z origin change 209.73.147.0/24 AS18779 → AS3561 85217433563561
2026-10-21 00:39:59Z origin change 209.73.140.0/24 AS3561 → AS18779 20649934549325739699818779
2026-10-21 00:39:59Z origin change 209.73.130.0/24 AS3561 → AS18779 20649934549325739699818779
2026-10-21 00:39:59Z origin change 209.73.147.0/24 AS3561 → AS18779 20649934549325739699818779
2026-10-21 00:39:59Z origin change 216.172.136.0/24 AS3561 → AS18779 20649934549325739699818779
2026-10-21 00:39:59Z origin change 216.172.147.0/24 AS3561 → AS18779 20649934549325739699818779
2026-10-21 00:39:59Z origin change 209.73.148.0/24 AS3561 → AS18779 20649934549325739699818779
2026-10-21 00:39:59Z origin change 209.73.140.0/24 AS3561 → AS18779 34549325739699818779
2026-10-21 00:39:59Z origin change 209.73.130.0/24 AS3561 → AS18779 34549325739699818779