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IPAS is a small package to translate IP addresses into Autonomous System numbers. It is provided along with an NLANR maintained server to make translation from IP addresses to AS numbers easier for the network measurement community. Our database is updated weekly using data from the Route Views Project.
IPAS includes the server code if you wish to operate your own server and can also operate as a single (embedded) program.
IPAS is written and maintained by the National Laboratory for Applied Network Research (NLANR)'s Measurement & Operations Analysis Team (MOAT), located at the San Diego Supercomputer Center (SDSC). This work is funded in part by NSF Cooperative Agreement No. ANI-9807479.
This site is maintained by Tony McGregor; reachable at:
