AS Name
COLUMBIA-GW
Org Name
Columbia University
Registry Region
United States
Looking Glass
IPv4Prefixes

14

IPv6Prefixes

1

IPv4 NUMs

208,896

IPv6 NUMs(/64)

4,294,967,296

208,896 IPv4 Addresses
CIDR Description IP Num
128.59.0.0/24 Columbia University 256
128.59.0.0/16 Columbia University 65536
129.236.0.0/24 Lamont-Doherty Earth Observatory of Columbia University 256
129.236.0.0/16 Lamont-Doherty Earth Observatory of Columbia University 65536
160.39.0.0/24 Columbia University 256
160.39.0.0/16 Columbia University 65536
192.5.43.0/24 Columbia University 256
192.12.82.0/24 Columbia University 256
207.10.136.0/21 Columbia University 2048
209.2.47.0/24 Nysernet/Columbia University 256
209.2.48.0/22 Nysernet/Columbia University 1024
209.2.185.0/24 Columbia University 256
209.2.208.0/20 The Interchurch Center/Columbia University 4096
209.2.224.0/20 Columbia University 4096
CIDR Description IP NUMs(prefix /64)
2001:18d8::/32 Columbia University 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,500,032 310,095,347,712 IPv4 IPv4 IPv6 IPv6
AS3630 NYSERNET-BLK - NYSERNet, US United States 512 65,536 IPv4 IPv4 IPv6 IPv6
AS3754 NYSERNET3-AS - NYSERNet, US United States 4,352 16,842,752 IPv4 IPv4 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., DE Germany 2,481,064 167,504,379,904 IPv6 IPv6
IP Address Domain NUMs Domains
128.59.0.245 1 gnomon.cc.columbia.edu
ASNumber:       14
ASName:         COLUMBIA-GW
ASHandle:       AS14
RegDate:        
Updated:        2010-06-28    
Ref:            https://rdap.arin.net/registry/autnum/14


OrgName:        Columbia University
OrgId:          COLUMB
Address:        612 W 115TH ST
City:           NEW YORK
StateProv:      NY
PostalCode:     10025
Country:        US
RegDate:        
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/COLUMB


OrgTechHandle: CU-NOC-ARIN
OrgTechName:   Columbia University Computer Operations
OrgTechPhone:  +1-212-854-1919 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CU-NOC-ARIN

OrgAbuseHandle: CUAC-ARIN
OrgAbuseName:   COLUMBIA UNIVERSITY ABUSE CONTACT
OrgAbusePhone:  +1-212-854-1919 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CUAC-ARIN