AS30133 ISC-F-AS - Internet Systems Consortium, Inc.
Announced Prefixes (BGP)
81total
39 IPv442 IPv6
IPv4 Addresses
Allocated (RIR)6,144
Announced (BGP)9,984
IPv6 Addresses
Allocated (RIR)5.1×10²⁵
Announced (BGP)5.1×10²⁵
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
200
Allocated
-
Routing hygiene
Score 15/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
81
0 announced against others' ROAs, 81 own announced by others
Upstreams
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
- 81 prefixes of this ASN announced by another network against its ROAs
Based on 81 announced prefixes, updated daily (2026-10-27). How the score works · RPKI explained
Announced Prefixes
(BGP)81|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
103.11.221.0/24MOAS | Valid | APNIC | 2026-10-27 |
192.158.250.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.158.251.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.228.80.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.228.81.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.228.82.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.228.83.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.228.84.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.228.85.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
192.228.87.0/24MOAS | Valid | ARINOther IRR | 2026-10-27 |
1-10 of 81
1 / 9
Allocated Prefixes
(RIR)66Prefix | Country | RIR | Status |
|---|---|---|---|
| 103.11.221.0/24 | 🇯🇵 JP | APNIC | assigned |
| 192.228.92.0/24 | 🇺🇸 US | ARIN | allocated |
| 199.6.14.0/24 | 🇺🇸 US | ARIN | allocated |
| 199.253.63.0/24 | 🇺🇸 US | ARIN | allocated |
| 199.253.181.0/24 | 🇺🇸 US | ARIN | allocated |
| 200.93.240.0/24 | 🇺🇾 UY | LACNIC | assigned |
| 200.93.241.0/24 | 🇺🇾 UY | LACNIC | assigned |
| 200.93.242.0/24 | 🇺🇾 UY | LACNIC | assigned |
| 200.93.243.0/24 | 🇺🇾 UY | LACNIC | assigned |
| 200.93.244.0/24 | 🇺🇾 UY | LACNIC | assigned |
1-10 of 66
1 / 7
All 81 announced prefixes of AS30133 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS30133 hands its own prefixes to: transit providers, or peers at an exchange.
- AS1280Internet Systems Consortium81
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS30133 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/30133Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/30133" | jq