AS7018 · US — AT&T Enterprises, LLC

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ATT-INTERNET4 · ARIN · US

Identity source

AS7018 ·

US AT&T Enterprises, LLC

NRO allocation data

627IPv4 prefixes

15IPv6 prefixes

121Observed neighbors

RPKIValid: 355 Invalid: 0 Not found: 287 Unknown: 0

Selected local snapshot coverage; not the whole Internet. BGP snapshots: ris-rrc00 11 Oct 00:00 UTC; routeviews2 11 Oct 06:00 UTC; routeviews6 11 Oct 06:00 UTC. Validator: 11 Oct 07:25 UTC. Publication-point issues: 90

Address space details

Overlapping originated prefixes counted once. IPv4 addresses: 96,429,824

IPv6 addresses: 42545535359418145434024848392192

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Observed originated prefixes

These are observed BGP origins, not an inventory of registered allocations or transit reachability.

15 matching prefix–origin pairs. Each pair appears once; source observations are in Details.

Prefix	RPKI	Last observed	Details
2001:1890::/29	Valid	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI valid routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI valid
2600:300::/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2600:1700::/28	Valid	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI valid routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI valid
2602:300::/24	Valid	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI valid routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI valid
2606:ae00::/32	Valid	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI valid routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI valid
2607:9080:6::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:0:f40::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:27:f::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:59:a000::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:98:6000::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:a5:2000::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:b1:8000::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:ca:e000::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2620:129:100f::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
2a02:13e0:1::/48	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews6 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found

Export observed prefixes: TXT · CSV · JSON

Observed AS neighbors

121 unique neighbors in the selected local snapshots. This is the available collector dataset, not a complete map of the Internet. Adjacency does not establish upstream service or peering.

121 matching neighbors · 1–25 shown

Network	IPv4/IPv6	Seen in	Last observed	Details
AS71 · US HP Inc.	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS174 · US Cogent Communications, LLC	IPv6	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC
AS714 · US Apple Inc.	IPv6	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC
AS1299 · SE TWELVE99 Arelion Sweden AB	IPv6	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC
AS1751 · US LEXMARK-AS - Lexmark International Inc.	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS1999 · US HOUSE-AS-1 - U.S. House of Representatives	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS2386 · US INS-AS - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS2685 · US ATGS-MMD-AS - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS3356 · US Level 3 Parent, LLC	IPv6	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC
AS3379 · US KAISER-NCAL - Kaiser Foundation Health Plan, Inc.	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS3423 · US ATTIS-ASN3423 - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS3486 · US JPMORGAN-AS3486 - JPMorgan Chase & Co.	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS3573 · US Accenture LLP	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS4185 · US ATTIS-ASN4185 - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS4466 · US EASYLINK2 - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS4473 · US ATTIS-ASN4473 - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS4986 · US INTERSTAR - InterStar Network Services, Inc.	IPv6	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC
AS5662 · US WBD-AS5662 - Turner Broadcasting System, Inc.	IPv6	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC
AS5787 · US SNAPONSBS - Snap-on Business Solutions Inc.	IPv6	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC
AS6431 · US ATT-RESEARCH - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS6621 · US Hughes Network Systems, LLC	IPv6	routeviews6	11 Oct 06:00 UTC	Source observations routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS6939 · US Hurricane Electric LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS7287 · US PBI-NET-BLK2 - AT&T Enterprises, LLC	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS7743 · US JPMORGAN-AS7743 - JPMorgan Chase & Co.	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC
AS7764 · US CENSUSBUREAU - National Oceanic and Atmospheric Administration	IPv6	ris-rrc00, routeviews6	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv6 · 11 Oct 00:00 UTC routeviews6 · IPv6 · 11 Oct 06:00 UTC

Next neighbors

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View observed neighbor graph (up to 15 AS nodes)

Lines mean observed adjacency, with no commercial direction inferred. The table above provides the same evidence and source times.

Showing 14 of 121 matching neighbors, in table sort order, independent of table page.

Peering & locations

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Registry information

ARIN · fetched 11 Oct 03:02 UTC

Resource name: ATT-INTERNET4
Handle: AS7018
RDAP country: Not supplied
ASN: 7018

Registered organizations

AT&T Enterprises, LLC

Last Changed: 18 Mar 2025 19:12 UTC

Registration: 30 Jul 1996 04:00 UTC

Registry source

Allocation statistics

NRO/RIR delegated-extended records describe allocation or assignment ranges. They do not prove a BGP announcement or replace more-specific RDAP registration information. Country is the allocation record’s registration country, not the physical location of every address.

AS7018–AS7018 · arin · assigned · ASN allocation country: US · Allocation date: 1996-07-30 — NRO/RIR data · snapshot 10 Oct 00:00 UTC

NRO data and format

Prefix count history

Local observation changes

Only comparable successful snapshots are compared. First imports, changed peer coverage and collection gaps are baselines, not new global routes or withdrawals. RPKI transition history is not available before it has been recorded.

10 Oct 16:00 UTC · First observed by pjhtech · 70.159.198.0/23
1 source observations
- ris-rrc00 · imported 10 Oct 16:34 UTC
10 Oct 16:00 UTC · First observed by pjhtech · 199.80.117.0/24
1 source observations
- ris-rrc00 · imported 10 Oct 16:34 UTC

Retained local prefix-count observations

Separate collector series. Missing rows are not zero. Peer-set changes are separate coverage, not a continuous trend.

Source	Snapshot	Family	Prefixes	Peer coverage
routeviews2	11 Oct 06:00 UTC	IPv4	627	140.192.8.16/IPv4
routeviews6	11 Oct 06:00 UTC	IPv6	15	2406:840:feed:2::1/IPv6
routeviews2	11 Oct 04:00 UTC	IPv4	627	140.192.8.16/IPv4
routeviews6	11 Oct 04:00 UTC	IPv6	15	2406:840:feed:2::1/IPv6
ris-rrc00	11 Oct 00:00 UTC	IPv4	626	2a00:5884::6/IPv6, 89.234.186.6/IPv4
ris-rrc00	11 Oct 00:00 UTC	IPv6	15	2a00:5884::6/IPv6, 89.234.186.6/IPv4
ris-rrc00	10 Oct 16:00 UTC	IPv4	626	2a00:5884::6/IPv6, 89.234.186.6/IPv4
ris-rrc00	10 Oct 16:00 UTC	IPv6	15	2a00:5884::6/IPv6, 89.234.186.6/IPv4