$ query “AS12213” --type=asn → 1 result(s)
AS12213 — CNSQ-AS12213
Centersquare
AS12213 is a mid-size transit provider run by Centersquare, established in the United States in 2017. The network announces a respectable 41 472 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
- October 20, 2017
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 36 / 17
- IPv6 Prefixes (raw / aggregated)
- 15 / 6
- IPv4 Addresses
- 41 472
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /37
- Geolocated Countries
- 🇺🇸 US (69 IPs), 🇦🇺 AU (1 IPs), 🇬🇧 GB (7 IPs), 🇨🇦 CA
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 41 472 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 5 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 39 downstream autonomous systems buying transit
- Degree
- 49 unique BGP neighbors (providers + customers + peers)
- Reach
- 153 — customer cone size measuring network influence
- Degree Rank
- #2 998
- Reach Rank
- #891
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (36 total)
- 131.226.192.0/19 (8 192 addresses)
- 149.137.224.0/19 (8 192 addresses)
- 24.170.128.0/20 (4 096 addresses)
- 131.226.240.0/20 (4 096 addresses)
- 149.137.192.0/20 (4 096 addresses)
- 24.170.144.0/21 (2 048 addresses)
- 131.226.232.0/21 (2 048 addresses)
- 149.137.216.0/21 (2 048 addresses)
- 208.67.48.0/21 (2 048 addresses)
- 91.132.68.0/22 (1 024 addresses)
- 131.226.224.0/22 (1 024 addresses)
- 193.93.84.0/22 (1 024 addresses)
- 24.170.154.0/23 (512 addresses)
- 74.80.242.0/24 (256 addresses)
- 74.80.248.0/24 (256 addresses)
- 151.242.102.0/24 (256 addresses)
- 185.143.78.0/24 (256 addresses)
IPv6 Prefixes (15 total)
- 2604:7ac0::/37
- 2604:7ac0:e00::/39
- 2604:7ac0:1000::/39
- 2604:7ac0:800::/40
- 2604:7ac0:d00::/40
- 2a09:bf80::/40