Autonomous System
AS23138 — FIRST-STEP - FIRST STEP INTERNET, LLC(US)
Last fetched
AS23138 is an Autonomous System operated by FIRST-STEP - FIRST STEP INTERNET, LLC and registered in US. As of Sun, 06 Sep 2026 18:17:15 GMT, it announces 35 routed IP prefixes and peers with 16 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS23138 announces 35 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 64.126.131.0/24
- 64.126.128.0/21
- 64.126.132.0/22
- 64.126.136.0/24
- 64.126.138.0/24
- 64.126.140.0/24
- 64.126.141.0/24
- 64.126.143.0/24
- 64.126.148.0/24
- 64.126.149.0/24
- 64.126.152.0/21
- 64.126.128.0/18
- 64.126.160.0/23
- 64.126.162.0/24
- 64.126.165.0/24
- 64.126.166.0/24
- 64.126.169.0/24
- 64.126.170.0/23
- 64.126.172.0/23
- 64.126.174.0/23
- 64.126.180.0/23
- 64.126.182.0/23
- 64.126.184.0/24
- 64.126.186.0/24
- 64.126.188.0/24
Peering ecosystem
16 distinct peers via BGP. The first 16 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS13752 | P1FCU-01 - P1FCU | US |
| AS16713 | NOANET-WA - Northwest Open Access Network | US |
| AS20055 | AS-WHOLESAIL - Wholesail networks LLC | US |
| AS20119 | ARROW - Arrow Group Inc. | CA |
| AS21615 | CEBRIDGE - Cebridge Connections | US |
| AS24482 | SGGS-AS-AP - SG.GS | SG |
| AS34927 | iFog-GmbH - iFog GmbH | CH |
| AS35280 | F5 - F5 Networks SARL | FR |
| AS394256 | CLOUDSINGULARITY - Tech Futures Interactive Inc. | CA |
| AS4539 | SEL-AS - Schweitzer Engineering Laboratories, Inc. | US |
| AS52025 | PARADOXNETWORKS-LIMITED - ParadoxNetworks Limited | GB |
| AS54527 | ASTUTEHOSTING - Astute Internet | CA |
| AS64289 | MACARNE - Macarne.com | US |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS7575 | AARNET-AS-AP - Australian Academic and Research Network (AARNet) | AU |
| AS9002 | RETN-AS - RETN Limited | GB |
Blast radius
Count of dependent hostnames if AS23138 disappeared from the routing table.
8,164 hostnames depend on this network.Exact count across all 35 announced prefixes. Snapshot Sun, 06 Sep 2026 13:00:46 GMT.
MOAS / hijack watch
Prefixes routed by AS23138 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS23138 is unique to AS23138 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS23138.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS23138"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.