$ query “AS13979” --type=asn → 1 result(s)
AS13979 — ATT-IPFR
AT&T Enterprises LLC
AS13979 is a residential access provider operated by AT&T Enterprises LLC, based in the United States since 1999. The network announces a respectable 49 664 IPv4 addresses. Supports IPv6.
- Pioneer — Registered before the year 2000
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
- September 28, 1999
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 4
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 49 664
- Largest IPv4 Prefix
- /18 (16 384 addresses)
- Largest IPv6 Prefix
- /40
- Geolocated Countries
- 🇺🇸 US (3 IPs), 🇦🇺 AU (1 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 49 664 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 3 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 4 downstream autonomous systems buying transit
- Degree
- 13 unique BGP neighbors (providers + customers + peers)
- Reach
- 4 — customer cone size measuring network influence
- Degree Rank
- #9 298
- Reach Rank
- #4 773
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (5 total)
- 15.4.64.0/18 (16 384 addresses)
- 15.12.64.0/18 (16 384 addresses)
- 15.98.64.0/18 (16 384 addresses)
- 204.10.158.0/23 (512 addresses)
IPv6 Prefixes (1 total)
- 2608:14a:2300::/40