ResearchRouting table, RPKI, IRR & looking glass

AS40387 University of Illinois

AS40387 (UI-ICCN) is registered to University of Illinois in US, through ARIN. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
2,048
IPv4 addresses
0%
RPKI valid

Who holds AS40387

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS40387
Handle
UI-ICCN
Organization
University of Illinois
Country
US
Registry
ARIN
ASPA
None published
WHOIS recordARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       40387
ASName:         UI-ICCN
ASHandle:       AS40387
RegDate:        2007-02-07
Updated:        2014-12-02
Ref:            https://rdap.arin.net/registry/autnum/40387


OrgName:        University of Illinois
OrgId:          UIUC
Address:        1120 DCL, MC-256
Address:        1304 West Springfield Avenue
City:           Urbana
StateProv:      IL
PostalCode:     61801
Country:        US
RegDate:        
Updated:        2014-12-02
Ref:            https://rdap.arin.net/registry/entity/UIUC


OrgAbuseHandle: UIUCS-ARIN
OrgAbuseName:   UIUC Security
OrgAbusePhone:  +1-217-265-0000 
OrgAbuseEmail:  abuse@illinois.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UIUCS-ARIN

OrgTechHandle: HOSTM159-ARIN
OrgTechName:   Hostmgr
OrgTechPhone:  +1-217-244-1000 
OrgTechEmail:  dns-admin@illinois.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM159-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

What AS40387 announces

Prefixes originated by AS40387 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
2,048 (8 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
2
ROAs naming AS40387
0
With an IRR route object
2 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS40387 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 7 upstreams.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RADBUI-ICCNMAINT-AS38

Route objects with origin AS40387: RADB 2

as-sets that list AS40387 (10)