UMASSNET
AS1968 (UMAP) announces at least 27 prefixes:
69.16.0.0/17
about a second ago
NET-69-16-0-0-1
69.16.0.0-69.16.127.255
69.16.12.0/23
69.16.14.0/23
69.16.16.0/20
69.16.16.0/24
69.16.17.0/24
69.16.36.0/23
69.16.38.0/23
69.16.68.0/23
69.16.72.0/22
69.16.72.0/23
69.16.74.0/23
69.16.76.0/22
69.16.76.0/23
69.16.78.0/23
69.16.120.0/22
69.16.120.0/23
69.16.122.0/23
69.16.124.0/22
69.16.124.0/23
69.16.126.0/23
134.241.0.0/16
NET-134-241-0-0-1
134.241.0.0-134.241.255.255
158.121.0.0/16
University of Massachusetts at Boston
NET-158-121-0-0-1
158.121.0.0-158.121.255.255
192.195.196.0/24
NET-192-195-196-0-1
192.195.196.0-192.195.196.255
198.102.172.0/24
NET-198-102-172-0-1
198.102.172.0-198.102.172.255
198.102.211.0/24
NET-198-102-211-0-1
198.102.211.0-198.102.211.255
2001:48e8::/29
NET6-2001-48E8-1
2001:48e8::-2001:48ef:ffff:ffff:ffff:ffff:ffff:ffff
9
AS1249
UNIVER-6
AS1255
SCIS-8
AS1929
AS8067
WSC-26
AS32559
AMHERS
AS46905
UNIVER-76
AS394003
UMD
AS396086
HAMPSH
AS396128
MHC-17