AS Number
AS4
AS Name
ISI-AS
Org Name
University of Southern California
Registry

arin

RegDate

1984-02-22

Updated

2004-08-06

AS4 Looking Glass
IPv4Prefixes

43

IPv6Prefixes

3

IPv4 NUMs

67,840

IPv6 NUMs(/64)

1,114,112

67,840 IPv4 Addresses
CIDR Description IP Num
91.225.188.0/22 iNET group ZP s.c. Michal Chrzanowski, Daniel Kulesza 1024
128.9.0.0/20 Information Sciences Institute 4096
128.9.16.0/24 Information Sciences Institute 256
128.9.17.0/24 Information Sciences Institute 256
128.9.18.0/24 Information Sciences Institute 256
128.9.20.0/24 Information Sciences Institute 256
128.9.28.0/23 Information Sciences Institute 512
128.9.30.0/24 Information Sciences Institute 256
128.9.31.0/24 Information Sciences Institute 256
128.9.32.0/20 Information Sciences Institute 4096
128.9.34.0/24 Information Sciences Institute 256
128.9.35.0/24 Information Sciences Institute 256
128.9.36.0/24 Information Sciences Institute 256
128.9.37.0/24 Information Sciences Institute 256
128.9.38.0/24 Information Sciences Institute 256
128.9.40.0/24 Information Sciences Institute 256
128.9.44.0/24 Information Sciences Institute 256
128.9.47.0/24 Information Sciences Institute 256
128.9.48.0/20 Information Sciences Institute 4096
128.9.64.0/20 Information Sciences Institute 4096
128.9.80.0/20 Information Sciences Institute 4096
128.9.96.0/20 Information Sciences Institute 4096
128.9.112.0/20 Information Sciences Institute 4096
128.9.128.0/20 Information Sciences Institute 4096
128.9.144.0/20 Information Sciences Institute 4096
128.9.160.0/20 Information Sciences Institute 4096
128.9.176.0/20 Information Sciences Institute 4096
128.9.192.0/20 Information Sciences Institute 4096
128.9.208.0/20 Information Sciences Institute 4096
128.9.224.0/20 Information Sciences Institute 4096
128.9.234.0/24 Information Sciences Institute 256
128.9.236.0/24 Information Sciences Institute 256
128.9.236.0/22 Information Sciences Institute 1024
128.9.237.0/24 Information Sciences Institute 256
128.9.238.0/24 Information Sciences Institute 256
128.9.239.0/24 Information Sciences Institute 256
128.9.240.0/20 Information Sciences Institute 4096
155.133.112.0/21 Stowarzyszenie e-Poludnie 2048
198.32.16.0/24 CyrusOne LLC 256
206.117.6.0/24 Los Nettos 256
206.117.27.0/24 Los Nettos 256
206.117.31.0/24 Los Nettos 256
206.117.37.0/24 Los Nettos 256
CIDR Description IP NUMs(prefix /64)
2001:500:202::/48 B.Root-Server-OPS 65536
2804:7b58::/45 IMS TELECOMUNICACOES LTDA 524288
2804:7b58:8::/45 IMS TELECOMUNICACOES LTDA 524288
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS328160 Dotmac-Tech - Dotmac Technologies Limited, NG Nigeria 2,048 0 IPv4 IPv4
AS271426 IMS TELECOMUNICACOES LTDA, BR Brazil 1,024 0 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,433,216 254,565,449,728 IPv4 IPv4
AS226 LOS-NETTOS-AS - Los Nettos, US United States 314,112 4,294,967,296 IPv4 IPv4
AS567 ASN-LNET-AS - Los Nettos, US United States 0 0 IPv4 IPv4 IPv6 IPv6
AS10886 MAX-GIGAPOP - University of Maryland, US United States 4,352 16,842,752 IPv4 IPv4
AS197592 IG-ZP-AS - iNET group ZP s.c. Michal Chrzanowski, Daniel Kulesza, PL Poland 3,072 0 IPv4 IPv4
IP Address Domain NUMs Domains
91.225.188.22 1 mail.drewexim.com
91.225.188.35 8 ig-zp.pl
91.225.188.36 3 mail.trybun.net
91.225.188.39 5 cnite.karlino.pl
91.225.188.40 3 mail.photobart.pl
91.225.188.42 3 mail.spisgier.pl
91.225.188.44 3 lakubik.pl
91.225.188.58 5 mail.towarzystwostrzeleckie.pl
91.225.188.60 1 mail.ampligym.pl
91.225.188.62 7 inetlms.pl
ASNumber:       4
ASName:         ISI-AS
ASHandle:       AS4
RegDate:        1984-02-22
Updated:        2012-03-13    
Ref:            https://rdap.arin.net/registry/autnum/4


OrgName:        University of Southern California
OrgId:          USC-32
Address:        Information Sciences Institute
Address:        4676 Admiralty Way, Suite 1001
City:           Marina del Rey
StateProv:      CA
PostalCode:     90292
Country:        US
RegDate:        1984-02-22
Updated:        2004-08-06
Ref:            https://rdap.arin.net/registry/entity/USC-32


OrgAbuseHandle: ACT-ORG-ARIN
OrgAbuseName:   IPC Computing Services
OrgAbusePhone:  +1-310-448-8289 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ACT-ORG-ARIN

OrgTechHandle: ACT-ORG-ARIN
OrgTechName:   IPC Computing Services
OrgTechPhone:  +1-310-448-8289 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ACT-ORG-ARIN