AS Name: SKANSKA-USA-EAST

Description: Skanska USA Inc 350 5th Avenue New York, NY 10018 US

Registry: ARIN

Imports from (2)

Exports to (3)

aut-num: AS398577
as-name: SKANSKA-USA-EAST
descr: Skanska USA Inc 350 5th Avenue New York, NY 10018 US
import: from AS3356 accept ANY
import: from AS6461 accept ANY
export: to AS3356 announce AS398577
export: to AS6461 announce AS398577
admin-c: AWRI-ARIN
tech-c: AWRI-ARIN
tech-c: KARLS6-ARIN
mnt-by: MNT-SU-405
created: 2021-03-30T17:02:11Z
last-modified: 2025-05-19T20:09:57Z
source: ARIN

Direct Membership

Macros that directly list AS398577 as a member:

AS-GTTCUST6(2384 members)
AS-GTTCUST(3453 members)

Expanded Membership

All macros containing AS398577 (directly or via nested macros): 18

Show 18 macros

AS-GTTCUST6(83,984 ASNs)
AS-TINETCUST6(83,984 ASNs)
AS-GTTCUST(84,520 ASNs)
AS-TINETCUST(84,520 ASNs)
AS-GTT(84,608 ASNs)
AS-TINET(84,608 ASNs)
AS-TISCALI(84,608 ASNs)
AS-CESNET-NIX-PEERS(85,295 ASNs)
AS-TIXZH(94,757 ASNs)
AS-DECIX(96,509 ASNs)
AS-NFON-DECIX-PEERS-V4(96,509 ASNs)
AS-NFON-DECIX-PEERS-V6(96,509 ASNs)
AS6695:AS-DECIX-FRA(96,509 ASNs)
AS-ST1-IXPS(96,670 ASNs)
AS-DECIX-V6(100,277 ASNs)
AS6695:AS-DECIX-FRA-V6(100,277 ASNs)
AS-CLOUD-IX-PRO(100,911 ASNs)
AS-MERKEL-PEERS(100,925 ASNs)

Upstream AS Paths

36 unique paths, avg length 2.1

AS Looking Glass

Upstream paths (matching graph above)

AS2497 → AS3257 → AS398577
AS37271 → AS3257 → AS398577
AS199524 → AS3257 → AS398577
AS293 → AS3356 → AS398577
AS955 → AS3356 → AS398577
AS1299 → AS3356 → AS398577
AS2497 → AS3356 → AS398577
AS3491 → AS3356 → AS398577
AS142271 → AS9304 → AS6453 → AS3356 → AS398577
AS150000 → AS6939 → AS3356 → AS398577
AS7018 → AS3356 → AS398577
AS7594 → AS3356 → AS398577
AS14537 → AS3356 → AS398577
AS19653 → AS3356 → AS398577
AS25091 → AS3356 → AS398577
AS32590 → AS3356 → AS398577
AS37271 → AS3356 → AS398577
AS49544 → AS3356 → AS398577
AS199524 → AS3356 → AS398577
AS209823 → AS3356 → AS398577

All 36 Upstream Paths

Complete list of all observed paths

AS3257 → AS398577
AS1299 → AS3257 → AS398577
AS140627 → AS1299 → AS3257 → AS398577
AS2497 → AS3257 → AS398577
AS2734 → AS3257 → AS398577
AS4181 → AS3257 → AS398577
AS9002 → AS3257 → AS398577
AS142271 → AS9304 → AS3257 → AS398577
AS32590 → AS12956 → AS3257 → AS398577
AS16552 → AS3257 → AS398577
AS25091 → AS3257 → AS398577
AS33185 → AS3257 → AS398577
AS37271 → AS3257 → AS398577
AS38880 → AS3257 → AS398577
AS52320 → AS3257 → AS398577
AS58511 → AS3257 → AS398577
AS199524 → AS3257 → AS398577
AS398465 → AS3257 → AS398577
AS293 → AS3356 → AS398577
AS955 → AS3356 → AS398577
AS1299 → AS3356 → AS398577
AS2497 → AS3356 → AS398577
AS3491 → AS3356 → AS398577
AS142271 → AS9304 → AS6453 → AS3356 → AS398577
AS6939 → AS3356 → AS398577
AS150000 → AS6939 → AS3356 → AS398577
AS7018 → AS3356 → AS398577
AS7594 → AS3356 → AS398577
AS14537 → AS3356 → AS398577
AS19653 → AS3356 → AS398577
AS25091 → AS3356 → AS398577
AS32590 → AS3356 → AS398577
AS37271 → AS3356 → AS398577
AS49544 → AS3356 → AS398577
AS199524 → AS3356 → AS398577
AS209823 → AS3356 → AS398577

AS398577 IPv4 Address Subnets (3)

144.57.40.0/21	🇺🇸 US	Announced to AS6461 & AS3356	SKANSKA-USA-EAST
144.57.40.0/24	🇺🇸 US		SKANSKA-USA-EAST
144.57.41.0/24	🇺🇸 US		SKANSKA-USA-EAST

AS398577 IPv6 Address Subnets (1)

2602:800:c400::/38

🇺🇸 US

Skanska USA Inc 350 5th Avenue New York, NY 10018 …

SKANSKA-USA-EAST

AS398577 — SKANSKA-USA-EAST