ASN AS21688 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21688?

AS21688 is listed under Breezeline.

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.

AS21688 Breezeline | IPGeolocation.io

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AS Data

AS21688

AS21688 – Breezeline

AS Number	21688
AS Name	GMP-METROCAST
Organization	Breezeline(atlan-19)
Country	US
Website	breezeline.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2006-12-08

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Use ASN data for AS21688 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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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:       21688
ASName:         GMP-METROCAST
ASHandle:       AS21688
RegDate:        2006-12-08
Updated:        2018-03-07    
Ref:            https://rdap.arin.net/registry/autnum/21688


OrgName:        Breezeline
OrgId:          ATLAN-19
Address:        Batterymarch Park
Address:        Suite 200
City:           Quincy
StateProv:      MA
PostalCode:     02169
Country:        US
RegDate:        2004-04-15
Updated:        2026-03-13
Comment:        Please send all Abuse complaints to
Comment:        abuse@breezeline.com
Ref:            https://rdap.arin.net/registry/entity/ATLAN-19


OrgTechHandle: IPADD2-ARIN
OrgTechName:   IPAddressing
OrgTechPhone:  +1-603-767-6042 
OrgTechEmail:  IPAddressing@breezeline.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD2-ARIN

OrgTechHandle: WANGD35-ARIN
OrgTechName:   Wang, Daniel 
OrgTechPhone:  +1-800-565-4087 
OrgTechEmail:  daniel.wang@cogeco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WANGD35-ARIN

OrgAbuseHandle: ABUSE619-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-814-539-8971 
OrgAbuseEmail:  Abuse@atlanticbb.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE619-ARIN

OrgTechHandle: MCCAW8-ARIN
OrgTechName:   McCaw, Patrick 
OrgTechPhone:  +1-720-256-7576 
OrgTechEmail:  pmccaw@breezeline.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MCCAW8-ARIN

OrgTechHandle: PAULA35-ARIN
OrgTechName:   Bradford, Paul A
OrgTechPhone:  +1-814-203-0699 
OrgTechEmail:  pbradford@breezeline.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PAULA35-ARIN

OrgNOCHandle: NOC1646-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-800-317-2621 
OrgNOCEmail:  pa_noc@atlanticbb.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1646-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.
#