ResearchRouting table, RPKI, IRR & looking glass

AS797 AT&T Services, Inc.

AS797 (AMERITECH-AS) is registered to AT&T Services, Inc. in US, through ARIN. It originates 21 prefixes in the global routing table.

21
IPv4 prefixes
0
IPv6 prefixes
170,752
IPv4 addresses
4%
RPKI valid

Who holds AS797

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

AS number
AS797
Handle
AMERITECH-AS
Organization
AT&T Services, Inc.
Country
US
Registry
ARIN
ASPA
1 provider
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:       795 - 797
ASName:         AMERITECH-AS
ASHandle:       AS795
RegDate:        1990-12-13
Updated:        2012-04-02
Ref:            https://rdap.arin.net/registry/autnum/795


OrgName:        AT&T Services, Inc.
OrgId:          ATTSE-Z
Address:        Enterprise IP Group
Address:        c/o Ed Williams
Address:        240 N Meridian Street
Address:        Room 280
City:           Indianapolis
StateProv:      IN
PostalCode:     46204
Country:        US
RegDate:        2009-01-30
Updated:        2024-07-30
Comment:        http://www.att.com
Ref:            https://rdap.arin.net/registry/entity/ATTSE-Z


OrgTechHandle: WILLI576-ARIN
OrgTechName:   Williams, Ed 
OrgTechPhone:  +1-317-265-0000 
OrgTechEmail:  ew2497@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WILLI576-ARIN

OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  routing_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-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 AS797 announces

Prefixes originated by AS797 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
21
IPv6 prefixes
0
IPv4 addresses
170,752 (667 /24s)
RPKI valid
1 4%
RPKI invalid
0
RPKI not found
20
ROAs naming AS797
1
With an IRR route object
1 4%

Who AS797 is reached through

The AS just before AS797 in the paths our looking glass collectors hold, for 21 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS797 publishes an ASPA naming this provider. Check a path.

Routing registry objects

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

Route objects with origin AS797: ARIN 1

as-sets that list AS797 (1)