Autonomous System

AS11205 City of Philadelphia

GovernmentActiveUnited StatesARIN

AS11205 (CITY-OF-PHILADELPHIA) is a government network operated by City of Philadelphia in United States, registered with ARIN. It has 3 IPv4 prefixes with 66,304 addresses, which makes it the 3,334th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses66,304in 3 prefixes
IPv6 prefixes0none
Size rank#3,334of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationCity of Philadelphia
AS nameCITY-OF-PHILADELPHIA
Websitephila.gov
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactdennis.doyne@phila.gov
Registered1998-05-18
Last updated2025-10-23

IPv4 prefixes

3 prefixes · 66,304 addresses
NetworkAddressesFirst – last address
170.115.0.0/1665,536170.115.0.0 – 170.115.255.255
170.115.248.0/23512170.115.248.0 – 170.115.249.255
170.115.247.0/24256170.115.247.0 – 170.115.247.255

IPv6 prefixes

No IPv6 prefixes.

Query AS11205 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS11205&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS11205, with or without a key:

curl "https://api.ipapi.is/?q=170.115.0.1"

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