AS203 CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC
🇺🇸ARINassigned
Announced Prefixes (BGP)
184total
183 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)640
Announced (BGP)345,600
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)186|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
8.36.90.0/24MOAS | No ROA | - | 2026-10-11 |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
50.58.252.0/24MOAS | No ROA | - | 2026-10-11 |
| No ROA | - | 2026-10-11 |
1-10 of 186
1 / 19
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 62.67.222.0/24 | 🇩🇪 DE | RIPE | assigned |
| 192.26.214.0/24 | 🇺🇸 US | ARIN | allocated |
| 195.122.189.64/26 | 🇩🇪 DE | RIPE | assigned |
| 212.3.242.64/26 | 🇧🇪 BE | RIPE | assigned |
All 186 announced prefixes of AS203 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS203 hands its own prefixes to: transit providers, or peers at an exchange.
- AS3356Level 3 Parent217
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 AS203 should publish an ASPA object
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/203Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/203" | jq