206208 looking glass

AS747 Headquarters, USAISC 🇺🇸 US

Announcing 46 prefixes, seen at the RIS collectors.

IPv4 prefixes
45
137,728 (538 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
1
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
AS747
Name
Headquarters, USAISC
Organisation
Headquarters, USAISC
Country
🇺🇸 US
RIR
ARIN
Allocated
1990-09-25

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 46 no ROA (100.0%)

Announcement history

One point per day, recorded at each table import

01223354609-1809-2009-2209-2409-2609-2809-3010-02
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-09-30 12:53:50Z origin change 147.242.8.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.250.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.236.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.127.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.200.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.5.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.1.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.52.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.3.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.21.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.245.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.249.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.50.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.128.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:50Z origin change 147.242.105.0/24 AS1637 → AS747 14907335672172127066747
2026-09-30 12:53:47Z origin change 147.242.1.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.3.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.5.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.8.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.21.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.50.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.52.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.105.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.127.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.128.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.200.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.236.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.245.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.249.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:47Z origin change 147.242.250.0/24 AS747 → AS1637 4608122146373356721721270661637163716371637
2026-09-30 12:53:08Z origin change 147.242.1.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.3.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.5.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.8.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.21.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.50.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.52.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.105.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.127.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.128.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.200.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.236.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.245.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.249.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:53:08Z origin change 147.242.250.0/24 AS1637 → AS747 132825174335672172127066747
2026-09-30 12:52:57Z origin change 147.242.236.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.250.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.127.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.50.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.128.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.5.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.21.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.200.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.245.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.3.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.8.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.52.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.105.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.1.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:57Z origin change 147.242.249.0/24 AS747 → AS1637 226521743356721721270661637163716371637
2026-09-30 12:52:45Z origin change 147.242.3.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.200.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.128.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.52.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.127.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.5.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.245.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.1.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.236.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.250.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.249.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.8.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.21.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.50.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:45Z origin change 147.242.105.0/24 AS1637 → AS747 44393394256174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.250.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.249.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.245.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.236.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.200.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.128.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.127.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.105.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.52.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.50.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.21.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.8.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.5.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.3.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.1.0/24 AS1637 → AS747 3492712186174335672172127066747
2026-09-30 12:52:40Z origin change 147.242.1.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.245.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.128.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.52.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.50.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.105.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.249.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.236.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.8.0/24 AS747 → AS1637 3492712993356721721270661637163716371637
2026-09-30 12:52:40Z origin change 147.242.127.0/24 AS747 → AS1637 3492712993356721721270661637163716371637