$ query “AS13536” --type=asn → 1 result(s)
AS13536 — TVC-AS1
FirstLight Fiber Inc.
AS13536 is a major transit provider run by FirstLight Fiber Inc., based in the United States since 1999. The network announces a solid 331 264 IPv4 addresses, including a /15. 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
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 30, 1999
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 104 / 77
- IPv6 Prefixes (raw / aggregated)
- 11 / 7
- IPv4 Addresses
- 331 264
- Largest IPv4 Prefix
- /15 (131 072 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇺🇸 US (92 IPs), 🇦🇺 AU (3 IPs), 🇮🇩 ID (1 IPs), 🇮🇪 IE
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 331 264 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 36 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 167 downstream autonomous systems buying transit
- Degree
- 208 unique BGP neighbors (providers + customers + peers)
- Reach
- 239 — customer cone size measuring network influence
- Degree Rank
- #630
- Reach Rank
- #793
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (104 total)
- 143.66.0.0/15 (131 072 addresses)
- 150.155.0.0/16 (65 536 addresses)
- 216.179.0.0/17 (32 768 addresses)
- 66.109.32.0/19 (8 192 addresses)
- 66.211.128.0/19 (8 192 addresses)
- 72.0.128.0/19 (8 192 addresses)
- 209.94.96.0/19 (8 192 addresses)
- 216.59.64.0/19 (8 192 addresses)
- 216.107.192.0/19 (8 192 addresses)
- 64.25.208.0/20 (4 096 addresses)
- 66.152.96.0/20 (4 096 addresses)
- 67.217.112.0/20 (4 096 addresses)
- 68.70.48.0/20 (4 096 addresses)
- 69.24.0.0/20 (4 096 addresses)
- 173.243.160.0/20 (4 096 addresses)
- 216.107.224.0/20 (4 096 addresses)
- 216.238.160.0/20 (4 096 addresses)
- 38.56.64.0/22 (1 024 addresses)
- 192.245.20.0/22 (1 024 addresses)
- 204.157.164.0/22 (1 024 addresses)
- 206.84.88.0/22 (1 024 addresses)
- 38.147.194.0/23 (512 addresses)
- 167.244.212.0/23 (512 addresses)
- 198.102.2.0/23 (512 addresses)
- 198.168.32.0/23 (512 addresses)
- 198.168.38.0/23 (512 addresses)
- 216.114.184.0/23 (512 addresses)
- 23.142.120.0/24 (256 addresses)
- 38.147.196.0/24 (256 addresses)
- 38.147.200.0/24 (256 addresses)
- 38.147.205.0/24 (256 addresses)
- 38.147.208.0/24 (256 addresses)
- 64.140.210.0/24 (256 addresses)
- 64.140.244.0/24 (256 addresses)
- 66.44.224.0/24 (256 addresses)
- 66.152.127.0/24 (256 addresses)
- 66.186.167.0/24 (256 addresses)
- 66.231.206.0/24 (256 addresses)
- 66.231.216.0/24 (256 addresses)
- 72.12.83.0/24 (256 addresses)
- 72.15.1.0/24 (256 addresses)
- 72.55.246.0/24 (256 addresses)
- 136.223.33.0/24 (256 addresses)
- 136.223.37.0/24 (256 addresses)
- 167.150.16.0/24 (256 addresses)
- 167.244.244.0/24 (256 addresses)
- 167.244.247.0/24 (256 addresses)
- 192.76.175.0/24 (256 addresses)
- 192.103.144.0/24 (256 addresses)
- 192.149.109.0/24 (256 addresses)
IPv6 Prefixes (11 total)
- 2606:9800::/32
- 2607:fc58::/32
- 2607:fd48::/32
- 2605:da80:1601::/48
- 2605:da80:2301::/48
- 2605:da80:3101::/48
- 2620:65:a000::/48