$ query “AS23713” --type=asn → 1 result(s)
AS23713 · ISC-SEL1
Internet Systems Consortium
AS23713 is run by Internet Systems Consortium and is a stub network, registered in the United States. The system announces 256 IPv4 addresses. Its primary geographic footprint is in South Korea. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇺🇸 United States
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- July 18, 2026
- Last Seen
- September 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇰🇷 South Korea (512 IPs)
- Prefix Changed
- July 18, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Degree
- 1 unique BGP neighbor
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS401534 — GATEL-AS
Prefix Lists
IPv4 Prefixes (1 total)
- 202.41.145.0/24 (256 addresses (/24 prefix))