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.

AS27561 Brongus | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Search ASN

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Legacy Routes

Brongus brongus.com

US 0 Routes

AS Data

AS27561

AS27561 – Brongus

AS Number	27561
AS Name	BRONGUS
Organization	Brongus(brong)
Country	US
Website	brongus.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2020-03-24

ASN Intelligence API for production workflows

Use ASN data for AS27561 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

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:       27561
ASName:         BRONGUS
ASHandle:       AS27561
RegDate:        2020-03-24
Updated:        2020-03-24
Comment:        Brongus.com    
Ref:            https://rdap.arin.net/registry/autnum/27561


OrgName:        Brongus
OrgId:          BRONG
Address:        1699 Wall St Ste 210
City:           Mt Prospect
StateProv:      IL
PostalCode:     60056
Country:        US
RegDate:        2018-11-30
Updated:        2025-09-15
Comment:        brongus.com
Ref:            https://rdap.arin.net/registry/entity/BRONG


OrgTechHandle: ADMIN6939-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-844-276-6487 
OrgTechEmail:  admin@brongus.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN6939-ARIN

OrgRoutingHandle: GAVRI9-ARIN
OrgRoutingName:   Gavrilovic, Borko 
OrgRoutingPhone:  +1-815-315-0000 
OrgRoutingEmail:  Borko@Brongus.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/GAVRI9-ARIN

OrgNOCHandle: ADMIN6939-ARIN
OrgNOCName:   Admin
OrgNOCPhone:  +1-844-276-6487 
OrgNOCEmail:  admin@brongus.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN6939-ARIN

OrgAbuseHandle: ADMIN6939-ARIN
OrgAbuseName:   Admin
OrgAbusePhone:  +1-844-276-6487 
OrgAbuseEmail:  admin@brongus.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN6939-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

Frequently Asked Questions

What is ASN AS27561?

ASN AS27561 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27561?

AS27561 is listed under Brongus.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.