AS21737 SPRINGNET2-NET - SpringNet
🇺🇸ARINassigned
Announced Prefixes (BGP)
11total
10 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)24,832
Announced (BGP)26,112
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)11|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 2026-10-09 | |
| No ROA | - | 2026-10-09 | |
| No ROA | ARIN | 2026-10-09 | |
| No ROA | - | 2026-10-09 | |
| No ROA | ARIN | 2026-10-09 | |
| No ROA | ARIN | 2026-10-09 | |
| No ROA | - | 2026-10-09 | |
| No ROA | - | 2026-10-09 | |
| No ROA | ARIN | 2026-10-09 | |
| No ROA | ARIN | 2026-10-09 |
1-10 of 11
1 / 2
Allocated Prefixes
(RIR)6Prefix | Country | RIR | Status |
|---|---|---|---|
| 64.22.224.0/19 | 🇺🇸 US | ARIN | allocated |
| 66.119.0.0/19 | 🇺🇸 US | ARIN | allocated |
| 75.98.96.0/20 | 🇺🇸 US | ARIN | allocated |
| 76.77.128.0/20 | 🇺🇸 US | ARIN | allocated |
| 198.246.200.0/24 | 🇺🇸 US | ARIN | allocated |
| 2001:49b8::/32 | 🇺🇸 US | ARIN | allocated |
All 11 announced prefixes of AS21737 →
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS21737 hands its own prefixes to: transit providers, or peers at an exchange.
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 AS21737 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/21737Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21737" | jq