ASN AS10499 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10499?

AS10499 is listed under Rochester Gas and Electric Corporation.

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.

AS10499 Rochester Gas and Electric Corporation

ASN Lookup Tool

Rochester Gas and Electric Corporation avangrid.com

US 6 Routes

AS Data

AS10499

AS10499 – Rochester Gas and Electric Corporation

AS Number	10499
AS Name	IUMC-IT
Organization	Rochester Gas and Electric Corporation(rgec)
Country	US
Website	avangrid.com
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1997-08-27

ASN Intelligence API for production workflows

Use ASN data for AS10499 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
157.225.0.0/18	AS10499	Rochester Gas and Electric Corporation	Rochester Gas and Electric Corporation	16384
157.225.64.0/18	AS10499	Rochester Gas and Electric Corporation	Rochester Gas and Electric Corporation	16384
157.225.128.0/17	AS10499	Rochester Gas and Electric Corporation	Rochester Gas and Electric Corporation	32768
157.225.78.0/24	AS10499	Rochester Gas and Electric Corporation	Rochester Gas and Electric Corporation	256
157.225.0.0/17	AS10499	Rochester Gas and Electric Corporation	Rochester Gas and Electric Corporation	32768
157.225.178.0/24	AS10499	Rochester Gas and Electric Corporation	Rochester Gas and Electric Corporation	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:       10499
ASName:         IUMC-IT
ASHandle:       AS10499
RegDate:        1997-08-27
Updated:        2011-04-22    
Ref:            https://rdap.arin.net/registry/autnum/10499


OrgName:        Rochester Gas and Electric Corporation
OrgId:          RGEC
Address:        180 Marsh Hill Road
City:           Orange
StateProv:      CT
PostalCode:     06477
Country:        US
RegDate:        1992-01-30
Updated:        2022-06-08
Ref:            https://rdap.arin.net/registry/entity/RGEC


OrgTechHandle: NETWO4315-ARIN
OrgTechName:   Network Security
OrgTechPhone:  +1-585-771-4505 
OrgTechEmail:  network.security@avangrid.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO4315-ARIN

OrgAbuseHandle: NETWO4315-ARIN
OrgAbuseName:   Network Security
OrgAbusePhone:  +1-585-771-4505 
OrgAbuseEmail:  network.security@avangrid.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4315-ARIN

OrgNOCHandle: NETWO4315-ARIN
OrgNOCName:   Network Security
OrgNOCPhone:  +1-585-771-4505 
OrgNOCEmail:  network.security@avangrid.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4315-ARIN

RAbuseHandle: NETWO4315-ARIN
RAbuseName:   Network Security
RAbusePhone:  +1-585-771-4505 
RAbuseEmail:  network.security@avangrid.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4315-ARIN

RNOCHandle: NETWO4315-ARIN
RNOCName:   Network Security
RNOCPhone:  +1-585-771-4505 
RNOCEmail:  network.security@avangrid.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO4315-ARIN

RTechHandle: NETWO4315-ARIN
RTechName:   Network Security
RTechPhone:  +1-585-771-4505 
RTechEmail:  network.security@avangrid.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO4315-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
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS7018	AT&T Enterprises, LLC	US