AS400773 Boston Fiber LLC

BOSTON-FIBER - Boston Fiber LLC · registered in the United States

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in United States#9,253largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,619of 79,396 networks with IPv4

IPv61 x /4817 prefixes

CountryUnited States18,679 ASNs registered there

Open AS400773 in ASN lookup Look up an IP in this network (23.157.24.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

23.157.24.0/23
209.135.164.0/24

IPv6 prefixes

All 17 prefixes.

2602:ff65:e27::/60
2602:ff65:e27:10::/64
2602:ff65:e27:11::/64
2602:ff65:e27:12::/63
2602:ff65:e27:14::/62
2602:ff65:e27:18::/61
2602:ff65:e27:20::/59
2602:ff65:e27:40::/58
2602:ff65:e27:80::/57
2602:ff65:e27:100::/56
2602:ff65:e27:200::/55
2602:ff65:e27:400::/54
2602:ff65:e27:800::/53
2602:ff65:e27:1000::/52
2602:ff65:e27:2000::/51
2602:ff65:e27:4000::/50
2602:ff65:e27:8000::/49

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AS401731#9255 ROLL-TIDE - The University of Alabama Athletics768

AS78#9256 BA-346-78 - BT Americas, Inc768

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources