206208 looking glass

AS27595 Columbia College Chicago 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
2,048 (8 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS27595
Name
Columbia College Chicago
Organisation
Columbia College Chicago
Country
🇺🇸 US
RIR
ARIN
Allocated
2011-03-09
Scope
Not Disclosed
Peering policy
Open
Website
http://colum.edu
PeeringDB
net/35538

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       27595
ASName:         COLUM-600
ASHandle:       AS27595
RegDate:        2011-03-09
Updated:        2014-05-14
Ref:            https://rdap.arin.net/registry/autnum/27595

OrgName:        Columbia College Chicago
OrgId:          COLUM-70
Address:        600 S. Michigan Ave.
City:           Chicago
StateProv:      IL
PostalCode:     60605
Country:        US
RegDate:        2010-03-08
Updated:        2026-07-07
Ref:            https://rdap.arin.net/registry/entity/COLUM-70

OrgRoutingHandle: DUHRM-ARIN
OrgRoutingName:   Duhr, Mike
OrgRoutingPhone:  +1-312-369-7879
OrgRoutingEmail:  mduhr@colum.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DUHRM-ARIN

OrgTechHandle: RUIZR9-ARIN
OrgTechName:   Ruiz, Robert
OrgTechPhone:  +1-312-369-8857
OrgTechEmail:  robruiz@colum.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/RUIZR9-ARIN

OrgAbuseHandle: RUIZR9-ARIN
OrgAbuseName:   Ruiz, Robert
OrgAbusePhone:  +1-312-369-8857
OrgAbuseEmail:  robruiz@colum.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RUIZR9-ARIN

OrgNOCHandle: RUIZR9-ARIN
OrgNOCName:   Ruiz, Robert
OrgNOCPhone:  +1-312-369-8857
OrgNOCEmail:  robruiz@colum.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/RUIZR9-ARIN

OrgDNSHandle: RUIZR9-ARIN
OrgDNSName:   Ruiz, Robert
OrgDNSPhone:  +1-312-369-8857
OrgDNSEmail:  robruiz@colum.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/RUIZR9-ARIN

OrgTechHandle: DUHRM-ARIN
OrgTechName:   Duhr, Mike
OrgTechPhone:  +1-312-369-7879
OrgTechEmail:  mduhr@colum.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/DUHRM-ARIN

OrgAbuseHandle: DUHRM-ARIN
OrgAbuseName:   Duhr, Mike
OrgAbusePhone:  +1-312-369-7879
OrgAbuseEmail:  mduhr@colum.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DUHRM-ARIN

OrgNOCHandle: DUHRM-ARIN
OrgNOCName:   Duhr, Mike
OrgNOCPhone:  +1-312-369-7879
OrgNOCEmail:  mduhr@colum.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/DUHRM-ARIN

OrgRoutingHandle: RUIZR9-ARIN
OrgRoutingName:   Ruiz, Robert
OrgRoutingPhone:  +1-312-369-8857
OrgRoutingEmail:  robruiz@colum.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RUIZR9-ARIN

OrgDNSHandle: DUHRM-ARIN
OrgDNSName:   Duhr, Mike
OrgDNSPhone:  +1-312-369-7879
OrgDNSEmail:  mduhr@colum.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/DUHRM-ARIN

RAbuseHandle: DGAMA-ARIN
RAbuseName:   D'Gama, Derrick
RAbusePhone:  +1-312-369-7110
RAbuseEmail:  ddgama@colum.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/DGAMA-ARIN

RTechHandle: DGAMA-ARIN
RTechName:   D'Gama, Derrick
RTechPhone:  +1-312-369-7110
RTechEmail:  ddgama@colum.edu
RTechRef:    https://rdap.arin.net/registry/entity/DGAMA-ARIN