AS111 is the autonomous system of Boston University. It holds 133,376 IPv4 addresses in 8 prefixes plus 1 IPv6 ranges, mainly in 
United States.
By IPv4 addresses the network ranks #1,456 worldwide and #440 of 18,202 networks in United States.
The largest block is 168.122.0.0 to 168.122.255.255 with 65,536 addresses, geolocated to Boston (Fenway/Kenmore).
- IPv4 addresses
- 133,376
- IPv4 prefixes
- 8
- World rank
- #1,456
- IPv6 ranges
- 1
Addresses by country
- United States 100%
Largest blocks
- 168.122.0.0 Boston (Fenway/Kenmore)65,536
- 128.197.0.0 Brookline Village65,536
- 192.12.189.0 Brookline Village768
- 192.12.185.0 Boston (Fenway–Kenmore)768
- 192.5.206.0 Boston (Allston)512
- 192.54.224.0 Boston (Allston)256
Networks of similar size
- AS27 University of Maryland133,632
- AS50 Oak Ridge National Laboratory133,632
- AS15547 netplus.ch SA
133,376 - AS197909 EDEKA Rechenzentrum Sued Betriebs GmbH
133,376 - AS46450 Pilot Fiber, Inc.133,120
- AS23352 DEFT.COM133,120
- AS16246 O2 Czech Republic, a.s.
133,120 - AS89 Navy Network Information Center (NNIC)133,120
IPv4 prefixes
Questions and answers
Who owns AS111?
Autonomous system AS111 is operated by Boston University.
How many IP addresses does AS111 have?
The network holds 133,376 IPv4 addresses in 8 prefixes, plus 1 IPv6 ranges.
Which country is AS111 in?
The main country is United States.
How big is AS111?
By IPv4 addresses it ranks #1,456 worldwide.
What is the largest address block of AS111?
168.122.0.0 to 168.122.255.255, 65,536 addresses.