AS1501 DNIC-ASBLK-01500-01502 - Headquarters, USAISC
Announced Prefixes (BGP)
199total
199 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)68,352
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)199|
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 | |
| 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 |
1-10 of 199
1 / 20
All 199 announced prefixes of AS1501 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS1501 hands its own prefixes to: transit providers, or peers at an exchange.
- AS1555United States Department Of Defense DoD199
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 AS1501 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/1501Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/1501" | jq