AS Number
AS26
AS Name
CORNELL
Org Name
Cornell University
Country / Region
United States
Registry

arin

RegDate

1984-08-10

Updated

2022-03-29

AS26 Looking Glass
IPv4Prefixes

10

IPv6Prefixes

1

IPv4 NUMs

197,376

IPv6 NUMs(/64)

1,048,576

197,376 IPv4 Addresses
CIDR Description IP Num
128.84.0.0/24
IRR Parent Valid
Cornell University 256
128.84.0.0/16
IRR Valid
Cornell University 65536
128.84.168.0/22
IRR Parent Valid
Cornell University 1024
128.253.0.0/24
IRR Parent Valid
Cornell University 256
128.253.0.0/16
IRR Valid
Cornell University 65536
132.236.0.0/24
IRR Parent Valid
Cornell University 256
132.236.0.0/16
IRR Valid
Cornell University 65536
192.35.82.0/24
IRR Valid
Cornell Theory Center 256
192.122.235.0/24
IRR Valid
Cornell University 256
192.122.236.0/24
IRR Valid
Cornell University 256
CIDR Description IP NUMs(prefix /64)
2620:110:d000::/44
ROA Signed and Valid IRR Valid
Cornell University 1048576
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3754 NYSERNET3-AS - NYSERNet, US United States 256 131,072 IPv4 IPv4 IPv6 IPv6
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,699,840 43,949,883,392 IPv4 IPv4
AS13536 TVC-AS1 - FirstLight Fiber, Inc., US United States 277,248 12,885,164,032 IPv4 IPv4 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 245,504 81,622,073,344 IPv4 IPv4 IPv6 IPv6
AS3630 NYSERNET-BLK - NYSERNet, US United States 512 131,072 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
128.84.3.80 1 capecrystal.cac.cornell.edu
128.84.3.122 1 monitor.cac.cornell.edu
128.84.3.202 1 arecibo.tc.cornell.edu
128.84.3.204 6 badwall.tc.cornell.edu
128.84.3.248 1 arecibo2.tc.cornell.edu
128.84.4.11 1 mail.arxiv.org
128.84.4.12 2 arxiv-web1.library.cornell.edu
128.84.4.13 2 arxiv-web2.library.cornell.edu
128.84.4.15 2 arxiv-web3.library.cornell.edu
128.84.4.18 2 arxiv-export2.library.cornell.edu
ASNumber:       26
ASName:         CORNELL
ASHandle:       AS26
RegDate:        1984-08-10
Updated:        2022-03-29    
Ref:            https://rdap.arin.net/registry/autnum/26


OrgName:        Cornell University
OrgId:          CORNEL
Address:        Cornell Information Technologies
Address:        757 Rhodes Hall
City:           Ithaca
StateProv:      NY
PostalCode:     14853
Country:        US
RegDate:        1984-08-10
Updated:        2022-03-29
Ref:            https://rdap.arin.net/registry/entity/CORNEL


OrgAbuseHandle: ZC166-ARIN
OrgAbuseName:   Cornell Information Technologies
OrgAbusePhone:  +1-607-255-5500 
OrgAbuseEmail:  noc@cornell.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZC166-ARIN

OrgTechHandle: DEC12-ARIN
OrgTechName:   Eckstrom, Daniel 
OrgTechPhone:  +1-607-255-5902 
OrgTechEmail:  de10@cornell.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/DEC12-ARIN

OrgTechHandle: MULDO2-ARIN
OrgTechName:   Muldoon, Trent 
OrgTechPhone:  +1-607-255-2245 
OrgTechEmail:  tnm-arin@cornell.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/MULDO2-ARIN

RNOCHandle: ZC166-ARIN
RNOCName:   Cornell Information Technologies
RNOCPhone:  +1-607-255-5500 
RNOCEmail:  noc@cornell.edu
RNOCRef:    https://rdap.arin.net/registry/entity/ZC166-ARIN

RTechHandle: MULDO2-ARIN
RTechName:   Muldoon, Trent 
RTechPhone:  +1-607-255-2245 
RTechEmail:  tnm-arin@cornell.edu
RTechRef:    https://rdap.arin.net/registry/entity/MULDO2-ARIN

RTechHandle: DEC12-ARIN
RTechName:   Eckstrom, Daniel 
RTechPhone:  +1-607-255-5902 
RTechEmail:  de10@cornell.edu
RTechRef:    https://rdap.arin.net/registry/entity/DEC12-ARIN