$ query “AS13939” --type=asn → 1 result(s)
AS13939 · SWTJC
Southwest Texas Junior College
AS13939 is run by Southwest Texas Junior College and is an educational/research stub network, established in the United States in 2017. The system announces 4 096 IPv4 addresses. Most of its address space is geolocated to the United States. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 11, 2017
- Last Changed
- June 20, 2026
- Last Seen
- July 27, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 4 096
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Geolocated Countries
- 🇺🇸 United States (4 096 IPs)
- Prefix Changed
- June 20, 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)
- AS7018 — ATT-INTERNET4 (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (1 total)
- 70.241.208.0/20 (4 096 addresses (/20 prefix))