AS12257 EMC-AS12257 - Dell, Inc.
🇺🇸ARINassigned
Announced Prefixes (BGP)
72total
67 IPv45 IPv6
IPv4 Addresses
Allocated (RIR)256
Announced (BGP)17,152
IPv6 Addresses
Allocated (RIR)1.2×10²⁴
Announced (BGP)1.2×10²⁷
Announced Prefixes
(BGP)72|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 |
1-10 of 72
1 / 8
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 199.245.235.0/24 | 🇺🇸 US | ARIN | allocated |
| 2a01:6f40:f100::/48 | 🇮🇱 IL | RIPE | assigned |
All 72 announced prefixes of AS12257 →
BGP Neighbours
(seen in AS paths)Upstreams (11)
Networks AS12257 hands its own prefixes to: transit providers, or peers at an exchange.
- AS3356Level 3 Parent37
- AS8220COLT Technology Services Group Limited8
- AS1273CW Vodafone Group PLC7
- AS701Verizon Business4
- AS4657STARHUB INTERNET StarHub4
- AS12400PARTNER Communications4
- AS9498BBIL AP BHARTI Airtel3
- AS12849HOTNET IL Hot Net Internet Services2
- AS5400BT British Telecommunications Limited1
- AS7018AT&T Enterprises1
- AS198949Radware1
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 AS12257 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/12257Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/12257" | jq