$ query “AS11686” --type=asn → 1 result(s)
AS11686 — ZAYO-ENA-11686
Zayo Bandwidth
AS11686 is a mid-size transit provider operated by Zayo Bandwidth, based in the United States since 1998. The network announces a solid 735 232 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
- November 16, 1998
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 251 / 15
- IPv6 Prefixes (raw / aggregated)
- 6 / 2
- IPv4 Addresses
- 735 232
- Largest IPv4 Prefix
- /14 (262 144 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇺🇸 US (20 IPs)
- Prefix Changed
- March 05, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 735 232 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 27 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 15 downstream autonomous systems buying transit
- Degree
- 46 unique BGP neighbors (providers + customers + peers)
- Reach
- 17 — customer cone size measuring network influence
- Degree Rank
- #3 168
- Reach Rank
- #2 445
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (251 total)
- 170.180.0.0/14 (262 144 addresses)
- 96.4.0.0/15 (131 072 addresses)
- 165.138.0.0/15 (131 072 addresses)
- 168.254.0.0/16 (65 536 addresses)
- 170.185.0.0/16 (65 536 addresses)
- 208.119.0.0/16 (65 536 addresses)
- 207.191.176.0/20 (4 096 addresses)
- 204.63.176.0/21 (2 048 addresses)
- 204.63.240.0/21 (2 048 addresses)
- 204.86.168.0/21 (2 048 addresses)
- 204.86.176.0/21 (2 048 addresses)
- 72.162.136.0/22 (1 024 addresses)
- 168.213.254.0/23 (512 addresses)
- 38.29.170.0/24 (256 addresses)
- 204.52.206.0/24 (256 addresses)
IPv6 Prefixes (6 total)
- 2610:128::/32
- 2602:297::/40