AS18943 YELCOT - YELCOT TELEPHONE COMPANY
🇺🇸ARINassigned
Announced Prefixes (BGP)
39total
38 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)14,336
Announced (BGP)13,568
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)39|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 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 | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 |
1-10 of 39
1 / 4
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 67.209.40.0/21 | 🇺🇸 US | ARIN | allocated |
| 167.100.120.0/21 | 🇺🇸 US | ARIN | allocated |
| 207.66.96.0/21 | 🇺🇸 US | ARIN | allocated |
| 216.134.224.0/19 | 🇺🇸 US | ARIN | allocated |
| 2607:6c00::/32 | 🇺🇸 US | ARIN | allocated |
All 39 announced prefixes of AS18943 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS18943 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (6)
Networks whose own prefixes AS18943 passes on: usually its customers.
Other adjacent networks (1)
Adjacent to AS18943 in the transit part of AS paths: peers, providers or customers.
- AS7018AT&T Enterprises3
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 AS18943 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/18943Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18943" | jq