$ query “AS7018” --type=asn → 1 result(s)
AS7018 — ATT-INTERNET4
AT&T Enterprises LLC
AS7018 is a Tier-1 transit provider operated by AT&T Enterprises LLC, established in the United States in 1996. The network announces a whopping 92.9 million IPv4 addresses (2.51% of routable IPv4 space), including a /8. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- Space Overlord — Over 10 million IPv4 addresses
- #82 by Reach — Top 100 by customer cone size
- #38 by Degree — Top 100 by unique BGP neighbor count
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇺🇸 United States
- Category
- Internet Service Provider
- Network Role
- Tier-1 Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 30, 1996
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 656 / 554
- IPv6 Prefixes (raw / aggregated)
- 21 / 15
- IPv4 Addresses
- 92 883 712
- Largest IPv4 Prefix
- /8 (16 777 216 addresses)
- Largest IPv6 Prefix
- /24
- Geolocated Countries
- 🇺🇸 US (96 228 IPs), 🇦🇺 AU (51 IPs), 🇵🇷 PR (4 IPs), 🇬🇧 GB, 🇯🇵 JP, 🇳🇱 NL, 🇭🇰 HK, 🇮🇳 IN, 🇨🇦 CA, 🇺🇲 UM, 🇮🇱 IL, 🇩🇪 DE, 🇩🇰 DK, 🇺🇦 UA and 1 more
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 342 flagged IPs out of 92 883 712 total (0.00%)
- Open Proxies
- 11 known open proxies in this network
Connectivity Summary
- Upstream Providers
- 0 upstream autonomous systems providing transit
- Peers
- 35 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 2 299 downstream autonomous systems buying transit
- Degree
- 2 370 unique BGP neighbors (providers + customers + peers)
- Reach
- 37 265 — customer cone size measuring network influence
- Degree Rank
- #38
- Reach Rank
- #82
Prefix Lists
IPv4 Prefixes (656 total)
- 12.0.0.0/8 (16 777 216 addresses)
- 32.0.0.0/9 (8 388 608 addresses)
- 107.64.0.0/10 (4 194 304 addresses)
- 108.192.0.0/10 (4 194 304 addresses)
- 99.32.0.0/11 (2 097 152 addresses)
- 107.192.0.0/11 (2 097 152 addresses)
- 108.64.0.0/11 (2 097 152 addresses)
- 23.112.0.0/12 (1 048 576 addresses)
- 32.128.0.0/12 (1 048 576 addresses)
- 45.16.0.0/12 (1 048 576 addresses)
- 63.192.0.0/12 (1 048 576 addresses)
- 64.160.0.0/12 (1 048 576 addresses)
- 67.112.0.0/12 (1 048 576 addresses)
- 75.48.0.0/12 (1 048 576 addresses)
- 99.16.0.0/12 (1 048 576 addresses)
- 99.112.0.0/12 (1 048 576 addresses)
- 99.160.0.0/12 (1 048 576 addresses)
- 104.0.0.0/12 (1 048 576 addresses)
- 104.48.0.0/12 (1 048 576 addresses)
- 104.176.0.0/12 (1 048 576 addresses)
- 107.128.0.0/12 (1 048 576 addresses)
- 162.192.0.0/12 (1 048 576 addresses)
- 162.224.0.0/12 (1 048 576 addresses)
- 172.0.0.0/12 (1 048 576 addresses)
- 32.176.0.0/13 (524 288 addresses)
- 32.224.0.0/13 (524 288 addresses)
- 65.64.0.0/13 (524 288 addresses)
- 66.120.0.0/13 (524 288 addresses)
- 66.136.0.0/13 (524 288 addresses)
- 68.88.0.0/13 (524 288 addresses)
- 68.120.0.0/13 (524 288 addresses)
- 68.248.0.0/13 (524 288 addresses)
- 69.216.0.0/13 (524 288 addresses)
- 70.136.0.0/13 (524 288 addresses)
- 75.8.0.0/13 (524 288 addresses)
- 75.24.0.0/13 (524 288 addresses)
- 75.32.0.0/13 (524 288 addresses)
- 76.224.0.0/13 (524 288 addresses)
- 99.0.0.0/13 (524 288 addresses)
- 99.64.0.0/13 (524 288 addresses)
- 99.88.0.0/13 (524 288 addresses)
- 99.96.0.0/13 (524 288 addresses)
- 99.128.0.0/13 (524 288 addresses)
- 99.184.0.0/13 (524 288 addresses)
- 166.192.0.0/13 (524 288 addresses)
- 64.216.0.0/14 (262 144 addresses)
- 67.36.0.0/14 (262 144 addresses)
- 67.64.0.0/14 (262 144 addresses)
- 68.20.0.0/14 (262 144 addresses)
- 68.72.0.0/14 (262 144 addresses)
IPv6 Prefixes (21 total)
- 2600:300::/24
- 2602:300::/24
- 2600:1700::/28
- 2001:1890::/29
- 2607:10c0::/32
- 2607:9080:6::/48
- 2620:0:f40::/48
- 2620:27:f::/48
- 2620:59:a000::/48
- 2620:98:6000::/48
- 2620:a5:2000::/48
- 2620:b1:8000::/48
- 2620:ca:e000::/48
- 2620:129:100f::/48
- 2a02:13e0:1::/48