ASN AS11205 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11205?

AS11205 is listed under City of Philadelphia.

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.

AS11205 City of Philadelphia | IPGeolocation.io

ASN Lookup Tool

City of Philadelphia phila.gov

US 3 Routes

AS Data

AS11205

AS11205 – City of Philadelphia

AS Number	11205
AS Name	CITY-OF-PHILADELPHIA
Organization	City of Philadelphia(cityof-86)
Country	US
Website	phila.gov
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	1998-05-18

ASN Intelligence API for production workflows

Use ASN data for AS11205 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.115.247.0/24	AS11205	City of Philadelphia	City of Philadelphia	256
170.115.248.0/23	AS11205	City of Philadelphia	City of Philadelphia	512
170.115.0.0/16	AS11205	City of Philadelphia	City of Philadelphia	65536

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:       11205
ASName:         CITY-OF-PHILADELPHIA
ASHandle:       AS11205
RegDate:        1998-05-18
Updated:        2025-10-23    
Ref:            https://rdap.arin.net/registry/autnum/11205


OrgName:        City of Philadelphia
OrgId:          CITYOF-86
Address:        1234 Market Street, 15th Floor
City:           Philadelphia
StateProv:      PA
PostalCode:     19107
Country:        US
RegDate:        1994-04-18
Updated:        2025-10-23
Ref:            https://rdap.arin.net/registry/entity/CITYOF-86


OrgAbuseHandle: DOYNE-ARIN
OrgAbuseName:   Doyne, Dennis 
OrgAbusePhone:  +1-215-686-5918 
OrgAbuseEmail:  dennis.doyne@phila.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DOYNE-ARIN

OrgTechHandle: DOYNE-ARIN
OrgTechName:   Doyne, Dennis 
OrgTechPhone:  +1-215-686-5918 
OrgTechEmail:  dennis.doyne@phila.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/DOYNE-ARIN

RTechHandle: DOYNE-ARIN
RTechName:   Doyne, Dennis 
RTechPhone:  +1-215-686-5918 
RTechEmail:  dennis.doyne@phila.gov
RTechRef:    https://rdap.arin.net/registry/entity/DOYNE-ARIN

RTechHandle: DLR18-ARIN
RTechName:   Rothman, Daniel Lloyd
RTechPhone:  +1-215-827-9600 
RTechEmail:  daniel.rothman@Phila.gov
RTechRef:    https://rdap.arin.net/registry/entity/DLR18-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
AS33287	Comcast Cable Communications, LLC	US
AS33659	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33287	Comcast Cable Communications, LLC	US
AS33659	Comcast Cable Communications, LLC	US