$ query “AS237” --type=asn → 1 result(s)
AS237 — MERIT-AS-14
Merit Network Inc.
AS237 is a mid-size transit provider run by Merit Network Inc., established in the United States in 1988. The network announces an impressive 2.2 million IPv4 addresses, including a /14. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- Pioneer — Registered before the year 2000
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
- September 12, 1988
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 83 / 49
- IPv6 Prefixes (raw / aggregated)
- 9 / 6
- IPv4 Addresses
- 2 221 568
- Largest IPv4 Prefix
- /14 (262 144 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇺🇸 US (55 IPs), 🇦🇺 AU (12 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 2 221 568 total (0.00%)
Connectivity Summary
- Upstream Providers
- 5 upstream autonomous systems providing transit
- Peers
- 10 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 28 downstream autonomous systems buying transit
- Degree
- 44 unique BGP neighbors (providers + customers + peers)
- Reach
- 28 — customer cone size measuring network influence
- Degree Rank
- #3 294
- Reach Rank
- #1 937
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (83 total)
- 35.64.0.0/14 (262 144 addresses)
- 198.108.0.0/14 (262 144 addresses)
- 207.72.0.0/14 (262 144 addresses)
- 35.24.0.0/15 (131 072 addresses)
- 35.62.0.0/15 (131 072 addresses)
- 35.68.0.0/15 (131 072 addresses)
- 35.16.0.0/16 (65 536 addresses)
- 35.37.0.0/16 (65 536 addresses)
- 35.38.0.0/16 (65 536 addresses)
- 35.40.0.0/16 (65 536 addresses)
- 35.58.0.0/16 (65 536 addresses)
- 35.70.0.0/16 (65 536 addresses)
- 141.210.0.0/16 (65 536 addresses)
- 141.217.0.0/16 (65 536 addresses)
- 141.218.0.0/16 (65 536 addresses)
- 148.61.0.0/16 (65 536 addresses)
- 161.133.0.0/16 (65 536 addresses)
- 164.76.0.0/16 (65 536 addresses)
- 204.38.0.0/16 (65 536 addresses)
- 35.39.128.0/17 (32 768 addresses)
- 35.46.0.0/17 (32 768 addresses)
- 35.50.0.0/17 (32 768 addresses)
- 35.33.0.0/18 (16 384 addresses)
- 35.34.0.0/18 (16 384 addresses)
- 35.39.0.0/18 (16 384 addresses)
- 35.71.0.0/18 (16 384 addresses)
- 35.33.96.0/19 (8 192 addresses)
- 35.39.64.0/19 (8 192 addresses)
- 192.122.184.0/21 (2 048 addresses)
- 163.253.36.0/22 (1 024 addresses)
- 192.41.232.0/22 (1 024 addresses)
- 74.115.236.0/23 (512 addresses)
- 192.122.182.0/23 (512 addresses)
- 198.17.130.0/23 (512 addresses)
- 198.17.132.0/23 (512 addresses)
- 23.135.208.0/24 (256 addresses)
- 192.35.170.0/24 (256 addresses)
- 192.41.229.0/24 (256 addresses)
- 192.88.242.0/24 (256 addresses)
- 192.122.200.0/24 (256 addresses)
- 192.138.137.0/24 (256 addresses)
- 192.160.192.0/24 (256 addresses)
- 192.160.204.0/24 (256 addresses)
- 192.188.100.0/24 (256 addresses)
- 192.203.195.0/24 (256 addresses)
- 192.245.252.0/24 (256 addresses)
- 192.245.254.0/24 (256 addresses)
- 204.39.195.0/24 (256 addresses)
- 206.201.157.0/24 (256 addresses)
IPv6 Prefixes (9 total)
- 2001:48a8::/32
- 2606:9700::/32
- 2620:13f:6000::/44
- 2001:468:2620::/48
- 2001:468:26e1::/48
- 2607:ff30:1110::/48