$ query “AS19318” --type=asn → 1 result(s)
AS19318 — IS-AS-1
Interserver Inc
AS19318 is a mid-size transit provider registered to Interserver Inc, registered in the United States since 2005. The network announces a solid 186 368 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇺🇸 United States
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 09, 2005
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 150 / 138
- IPv6 Prefixes (raw / aggregated)
- 31 / 23
- IPv4 Addresses
- 186 368
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇺🇸 US (121 IPs), 🇿🇿 ZZ (2 IPs), 🇵🇪 PE (2 IPs), 🇨🇦 CA, 🇮🇳 IN, 🇳🇱 NL, 🇩🇪 DE, 🇿🇦 ZA, 🇬🇧 GB, 🇪🇸 ES, 🇸🇨 SC, 🇫🇷 FR, 🇵🇱 PL, 🇮🇹 IT and 7 more
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 74 flagged IPs out of 186 368 total (0.04%)
- Tor Exit Nodes
- 1 known Tor exit nodes in this network
- Open Proxies
- 3 known open proxies in this network
Connectivity Summary
- Upstream Providers
- 6 upstream autonomous systems providing transit
- Peers
- 25 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 14 downstream autonomous systems buying transit
- Degree
- 50 unique BGP neighbors (providers + customers + peers)
- Reach
- 22 — customer cone size measuring network influence
- Degree Rank
- #2 951
- Reach Rank
- #2 181
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (150 total)
- 64.20.32.0/19 (8 192 addresses)
- 66.45.224.0/19 (8 192 addresses)
- 69.10.32.0/19 (8 192 addresses)
- 74.50.64.0/19 (8 192 addresses)
- 163.245.192.0/19 (8 192 addresses)
- 205.209.96.0/19 (8 192 addresses)
- 66.23.224.0/20 (4 096 addresses)
- 67.211.208.0/20 (4 096 addresses)
- 67.217.48.0/20 (4 096 addresses)
- 68.168.208.0/20 (4 096 addresses)
- 69.164.240.0/20 (4 096 addresses)
- 69.169.96.0/20 (4 096 addresses)
- 157.250.192.0/20 (4 096 addresses)
- 173.214.160.0/20 (4 096 addresses)
- 173.225.96.0/20 (4 096 addresses)
- 174.138.176.0/20 (4 096 addresses)
- 206.72.192.0/20 (4 096 addresses)
- 209.159.144.0/20 (4 096 addresses)
- 216.158.224.0/20 (4 096 addresses)
- 216.219.80.0/20 (4 096 addresses)
- 217.216.208.0/20 (4 096 addresses)
- 45.202.80.0/21 (2 048 addresses)
- 45.207.48.0/21 (2 048 addresses)
- 104.37.184.0/21 (2 048 addresses)
- 104.218.48.0/21 (2 048 addresses)
- 154.194.16.0/21 (2 048 addresses)
- 156.253.240.0/21 (2 048 addresses)
- 161.129.64.0/21 (2 048 addresses)
- 162.220.160.0/21 (2 048 addresses)
- 162.245.184.0/21 (2 048 addresses)
- 162.246.16.0/21 (2 048 addresses)
- 162.250.120.0/21 (2 048 addresses)
- 192.64.80.0/21 (2 048 addresses)
- 198.96.88.0/21 (2 048 addresses)
- 199.231.184.0/21 (2 048 addresses)
- 204.13.232.0/21 (2 048 addresses)
- 208.73.200.0/21 (2 048 addresses)
- 45.202.92.0/22 (1 024 addresses)
- 45.202.96.0/22 (1 024 addresses)
- 45.202.120.0/22 (1 024 addresses)
- 103.197.16.0/22 (1 024 addresses)
- 131.143.136.0/22 (1 024 addresses)
- 154.88.32.0/22 (1 024 addresses)
- 154.94.12.0/22 (1 024 addresses)
- 154.194.196.0/22 (1 024 addresses)
- 154.194.200.0/22 (1 024 addresses)
- 154.213.196.0/22 (1 024 addresses)
- 156.233.72.0/22 (1 024 addresses)
- 156.241.20.0/22 (1 024 addresses)
- 156.241.24.0/22 (1 024 addresses)
IPv6 Prefixes (31 total)
- 2601:2018::/29
- 2601:2020::/29
- 2a05:b900::/29
- 2a0f:1440::/29
- 2a0f:27c0::/29
- 2a0f:39c0::/29
- 2a0f:7f00::/29
- 2a0f:9600::/29
- 2a0f:e5c0::/29
- 2a10:34c0::/29
- 2a10:6d00::/29
- 2a11:7440::/29
- 2a13:2b40::/29
- 2a13:9080::/29
- 2604:a00::/32
- 2a0a:b382::/32
- 2a0f:1207::/32
- 2a14:1ec7:f720::/44
- 2a0a:8180:c8c4::/48
- 2a0a:8182:2a54::/48
- 2a0a:8184:cc3c::/48
- 2a0a:8186:85fa::/48
- 2a12:a800:11::/48