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	Prefix	Description
	45.4.172.0/22	A2 Hosting, Inc.
	64.4.160.0/22	A2 Hosting, Inc.
	66.198.240.0/20	A2 Hosting, Inc.
	67.209.112.0/21	A2 Hosting, Inc.
	68.66.192.0/20	A2 Hosting, Inc.
	68.66.208.0/23	A2 Hosting, Inc.
	68.66.210.0/24	A2 Hosting, Inc.
	68.66.212.0/22	A2 Hosting, Inc.
	68.66.216.0/21	A2 Hosting, Inc.
	68.66.224.0/20	A2 Hosting, Inc.
	68.66.239.0/24	A2 Hosting, Inc.
	68.66.240.0/20	A2 Hosting, Inc.
	69.48.136.0/24	A2 Hosting, Inc.
	69.48.137.0/24	Private Customer
	69.48.138.0/24	A2 Hosting, Inc.
	69.48.142.0/23	A2 Hosting, Inc.
	69.48.150.0/23	A2 Hosting, Inc.
	69.48.152.0/22	A2 Hosting, Inc.
	69.48.156.0/23	A2 Hosting, Inc.
	69.48.162.0/23	A2 Hosting, Inc.
	69.48.164.0/22	A2 Hosting, Inc.
	69.48.168.0/22	A2 Hosting, Inc.
	69.48.172.0/22	A2 Hosting, Inc.
	69.48.176.0/21	A2 Hosting, Inc.
	69.48.184.0/22	A2 Hosting, Inc.
	70.32.16.0/20	A2 Hosting, Inc.
	75.98.160.0/20	A2 Hosting, Inc.
	85.187.136.0/22	A2 Hosting, LLC
	85.187.140.0/22	A2 Hosting, LLC
	85.187.144.0/21	A2 Hosting, LLC
	85.187.152.0/22	A2 Hosting, LLC
	85.187.156.0/22	A2 Hosting, LLC
	103.72.76.0/23	A2 Hosting, Inc.
	103.72.78.0/23	A2 Hosting, Inc.
	103.204.128.0/23	A2 Hosting, Inc.
	104.218.8.0/21	A2 Hosting, Inc.
	104.255.192.0/21	A2 Hosting, Inc.
	106.0.62.0/23	A2 Hosting, Inc.
	114.129.128.0/22	A2 Hosting, LLC
	114.129.132.0/22	A2 Hosting, LLC
	114.129.144.0/22	A2 Hosting, LLC
	114.129.152.0/22	A2 Hosting, LLC
	128.201.4.0/22	A2 Hosting, Inc.
	162.212.128.0/22	A2 Hosting, Inc.
	162.212.132.0/23	A2 Hosting, Inc.
	162.212.135.0/24	A2 Hosting, Inc.
	162.249.0.0/21	A2 Hosting, Inc.
	162.254.248.0/21	A2 Hosting, Inc.
	181.224.128.0/21	A2 Hosting, Inc.
	181.224.136.0/21	A2 Hosting, Inc.
	181.224.144.0/22	SiteGround.com Inc.
	185.52.148.0/22	A2 Hosting, LLC
	185.62.136.0/22	A2 Hosting, LLC
	185.132.4.0/22	A2 Hosting, LLC
	185.133.20.0/22	A2 Hosting, LLC
	185.141.188.0/22	A2 Hosting, LLC
	185.143.44.0/22	A2 Hosting, LLC
	185.146.20.0/22	A2 Hosting, LLC
	185.146.28.0/22	A2 Hosting, LLC
	185.148.44.0/22	A2 Hosting, LLC
	185.148.128.0/22	A2 Hosting, LLC
	185.160.66.0/23	A2 Hosting, LLC
	185.166.145.0/24	A2 Hosting, LLC
	185.166.146.0/23	A2 Hosting, LLC
	185.168.108.0/22	A2 Hosting, LLC
	190.92.128.0/22	A2 Hosting, Inc.
	190.92.132.0/22	A2 Hosting, Inc.
	190.92.140.0/22	A2 Hosting, Inc.
	190.92.144.0/24	A2 Hosting, Inc.
	190.92.146.0/24	A2 Hosting, Inc.
	190.92.147.0/24	A2 Hosting, Inc.
	190.92.148.0/22	A2 Hosting, Inc.
	190.92.152.0/22	A2 Hosting, Inc.
	190.92.156.0/22	A2 Hosting, Inc.
	190.92.176.0/20	A2 Hosting, Inc.
	190.92.176.0/22	A2 Hosting, Inc.
	190.92.180.0/22	A2 Hosting, Inc.
	190.92.188.0/22	A2 Hosting, Inc.
	192.190.94.0/24	A2 Hosting, Inc.
	198.100.44.0/22	A2 Hosting, Inc.
	199.195.116.0/23	A2 Hosting, Inc.
	199.195.119.0/24	A2 Hosting, Inc.
	200.69.24.0/22	A2 Hosting, Inc.
	209.124.64.0/23	A2 Hosting, Inc.
	209.124.66.0/23	A2 Hosting, Inc.
	209.124.68.0/23	A2 Hosting, Inc.
	209.124.70.0/23	A2 Hosting, Inc.
	209.124.72.0/21	A2 Hosting, Inc.
	209.124.80.0/21	A2 Hosting, Inc.
	209.124.88.0/24	A2 Hosting, Inc.
	209.124.90.0/23	A2 Hosting, Inc.
	209.124.92.0/24	A2 Hosting, Inc.
	209.124.93.0/24	A2 Hosting, Inc.
	209.124.94.0/24	A2 Hosting, Inc.
	216.119.128.0/20	A2 Hosting, Inc.
	216.137.176.0/22	A2 Hosting, Inc.
	216.137.180.0/22	A2 Hosting, Inc.
	216.137.186.0/23	A2 Hosting, Inc.
	216.137.188.0/22	A2 Hosting, Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✘
	AS15169	Google LLC	✔	✘
	AS215129	Wodarek Productions LLC	✔	✘
	AS199524	Gcore S.A.	✔	✘
	AS12129	123.Net, Inc.	✔	✘
	AS53698	Ninja-IX Corporation	✔	✘
	AS32133	Ting Fiber Inc.	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS62887	WhiteSky Communications, LLC.	✔	✘

ASHandle:       AS55293
OrgID:          A2HOS
ASName:         A2HOSTING
ASNumber:       55293
RegDate:        2013-05-17
Updated:        2013-05-17
Source:         ARIN



OrgID:          A2HOS
OrgName:        A2 Hosting, Inc.
CanAllocate:    
Street:         P.O. Box 2998
City:           Ann Arbor
State/Prov:     MI
Country:        US
PostalCode:     48106
Comment:        http://www.a2hosting.com
RegDate:        2004-03-16
Updated:        2025-11-11
OrgAdminHandle: GREER149-ARIN
OrgTechHandle:  DAVEY24-ARIN
OrgTechHandle:  NETWO10018-ARIN
OrgAbuseHandle: CONTA420-ARIN
Source:         ARIN





OrgAdminHandle:       GREER149-ARIN
OrgAdminName:         Thomas Greer
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        DAVEY24-ARIN
OrgTechName:          Michael Davey
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO10018-ARIN
OrgTechName:           Networks
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CONTA420-ARIN
OrgAbuseName:         Abuse Contact
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:26:20Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-i123	905
RIPE	as204800:as-whg-sgp1	2
ARIN	as-i123-arin	835
RADB	as-kddcustomer2	8206
RADB	as55293:as-all	4
LEVEL3	as-cwiecustomers	26
RADB	as-udos	1353
ARIN	as-zenedge	2380
RIPE	as50613:as-thordc	4
RADB	as-a2host	3
LEVEL3	as-lumen-customers-asns	10695
APNIC	as-63529-as-import-as6939	38129
RADB	as-telstra-testing-1	11790
RADB	as3491:as-customers-ap	69597