$ query “AS1097” --type=asn → 1 result(s)
AS1097 · CORE-TRANSIT
Core Transit LLC
AS1097 is operated by Core Transit LLC and serves as a residential access provider, established in the United States in 2022. The system announces 4 608 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Australia.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 25, 2022
- Last Changed
- May 01, 2026
- Last Seen
- May 13, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 15 / 11
- IPv6 Prefixes (raw / aggregated)
- 8 / 6
- IPv4 Addresses
- 4 608
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /35
- Geolocated Countries
- 🇺🇸 United States (4 640 IPs), 🇦🇺 Australia (512 IPs)
- Prefix Changed
- March 17, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Downstream Customers
- 8 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 13 unique BGP neighbors
- Reach
- 9 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (15 total)
- 172.81.148.0/22 (1 024 addresses (/22 prefix))
- 216.146.16.0/22 (1 024 addresses (/22 prefix))
- 134.199.56.0/23 (512 addresses (/23 prefix))
- 23.145.20.0/24 (256 addresses (/24 prefix))
- 23.152.68.0/24 (256 addresses (/24 prefix))
- 50.20.192.0/24 (256 addresses (/24 prefix))
- 50.20.195.0/24 (256 addresses (/24 prefix))
- 134.199.54.0/24 (256 addresses (/24 prefix))
- 167.88.212.0/24 (256 addresses (/24 prefix))
- 167.88.222.0/24 (256 addresses (/24 prefix))
- 192.34.112.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (8 total)
- 2607:77c0:2000::/35
- 2607:77c0:1000::/36
- 2607:77c0:5000::/36
- 2602:81c:3000::/44
- 2602:81c:f000::/44
- 2607:77c0:4000::/47