What is ASN AS400773?

ASN AS400773 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400773?

AS400773 is listed under Boston Fiber LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS400773 Boston Fiber LLC | IPGeolocation.io

ASN Lookup Tool

Boston Fiber LLC bostonfiber.net

US 5 Routes

AS Data

AS400773

AS400773 – Boston Fiber LLC

AS Number	400773
AS Name	BOSTON-FIBER
Organization	Boston Fiber LLC(bfl-115)
Country	US
Website	bostonfiber.net
Number of IPv4 Routes	3
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	2022-09-14

ASN Intelligence API for production workflows

Use ASN data for AS400773 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.157.25.0/24	AS400773	Boston Fiber LLC	Boston Fiber LLC	256
2602:ff65:e27::/48	AS400773	Boston Fiber LLC	Boston Fiber LLC	~1×10²⁴
209.135.164.0/24	AS400773	Boston Fiber LLC	Boston Fiber LLC	256
2602:ff65:e27:10::/64	AS400773	Boston Fiber LLC	Boston Fiber LLC	~18×10¹⁸
23.157.24.0/24	AS400773	Boston Fiber LLC	Boston Fiber LLC	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       400773
ASName:         BOSTON-FIBER
ASHandle:       AS400773
RegDate:        2022-09-14
Updated:        2023-09-17
Comment:        http://www.bostonfiber.net/    
Ref:            https://rdap.arin.net/registry/autnum/400773


OrgName:        Boston Fiber LLC
OrgId:          BFL-115
Address:        70 Innerbelt Rd
City:           Somerville
StateProv:      MA
PostalCode:     02143
Country:        US
RegDate:        2022-08-17
Updated:        2022-09-08
Ref:            https://rdap.arin.net/registry/entity/BFL-115


OrgRoutingHandle: NETWO9753-ARIN
OrgRoutingName:   Network OPs 
OrgRoutingPhone:  +1-877-617-2656 
OrgRoutingEmail:  noc@bostonfiber.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9753-ARIN

OrgAbuseHandle: NETWO9753-ARIN
OrgAbuseName:   Network OPs 
OrgAbusePhone:  +1-877-617-2656 
OrgAbuseEmail:  noc@bostonfiber.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9753-ARIN

OrgTechHandle: NETWO9753-ARIN
OrgTechName:   Network OPs 
OrgTechPhone:  +1-877-617-2656 
OrgTechEmail:  noc@bostonfiber.net
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9753-ARIN

OrgDNSHandle: NETWO9753-ARIN
OrgDNSName:   Network OPs 
OrgDNSPhone:  +1-877-617-2656 
OrgDNSEmail:  noc@bostonfiber.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9753-ARIN

OrgNOCHandle: NETWO9753-ARIN
OrgNOCName:   Network OPs 
OrgNOCPhone:  +1-877-617-2656 
OrgNOCEmail:  noc@bostonfiber.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9753-ARIN

RTechHandle: BORRE31-ARIN
RTechName:   Borrelli, Aiden 
RTechPhone:  +1-877-617-2656 
RTechEmail:  aiden@bostonfiber.net
RTechRef:    https://rdap.arin.net/registry/entity/BORRE31-ARIN

RNOCHandle: BORRE31-ARIN
RNOCName:   Borrelli, Aiden 
RNOCPhone:  +1-877-617-2656 
RNOCEmail:  aiden@bostonfiber.net
RNOCRef:    https://rdap.arin.net/registry/entity/BORRE31-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS40630	GridFury, LLC	US
AS33083	AxcelX Technologies LLC	US

Upstreams

AS Number	Description	Country
AS40630	GridFury, LLC	US
AS33083	AxcelX Technologies LLC	US