ASN AS745 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS745?

AS745 is listed under Air Force Systems Networking.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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AS745 Air Force Systems Networking

Air Force Systems Networking mail.mil

US 79 Routes

AS Data

AS745

AS745 – Air Force Systems Networking

AS Number	745
AS Name	AFCONC-BLOCK2-AS
Organization	Air Force Systems Networking (7esg)
Country	US
Website	mail.mil
Number of IPv4 Routes	79
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS745 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
214.55.24.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
155.27.127.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
140.185.221.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
155.27.122.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
134.152.88.0/22	AS745	Air Force Systems Networking	DoD Network Information Center	1024
140.185.30.0/23	AS745	Air Force Systems Networking	DoD Network Information Center	512
140.185.183.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
214.18.40.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
155.27.104.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024
140.185.70.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
214.18.31.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
134.152.98.0/23	AS745	Air Force Systems Networking	DoD Network Information Center	512
140.185.167.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
130.16.241.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
214.55.29.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
155.27.92.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024
214.14.205.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.55.31.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.55.26.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
155.27.108.0/23	AS745	Air Force Systems Networking	Headquarters, USAISC	512
155.27.66.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
155.27.138.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
140.185.12.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
214.14.206.0/23	AS745	Air Force Systems Networking	United States Department of Defense DoD	512
155.27.139.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
155.27.140.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024
155.27.82.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
214.14.20.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
160.136.164.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024
214.55.30.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
140.185.171.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
214.14.9.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.55.27.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.14.10.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
155.27.128.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024
214.14.2.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
155.27.83.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
155.27.64.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
140.185.220.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
155.27.88.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024
214.18.185.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.14.220.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.14.80.0/23	AS745	Air Force Systems Networking	United States Department of Defense DoD	512
155.27.100.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024
214.14.173.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
140.185.64.0/23	AS745	Air Force Systems Networking	DoD Network Information Center	512
214.55.28.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.18.141.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.18.167.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
140.185.196.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
140.185.204.0/24	AS745	Air Force Systems Networking	DoD Network Information Center	256
214.14.168.0/23	AS745	Air Force Systems Networking	United States Department of Defense DoD	512
160.136.183.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
140.185.66.0/23	AS745	Air Force Systems Networking	DoD Network Information Center	512
134.152.100.0/22	AS745	Air Force Systems Networking	DoD Network Information Center	1024
155.27.75.0/24	AS745	Air Force Systems Networking	Headquarters, USAISC	256
214.18.149.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
214.55.25.0/24	AS745	Air Force Systems Networking	United States Department of Defense DoD	256
134.152.118.0/23	AS745	Air Force Systems Networking	DoD Network Information Center	512
155.27.96.0/22	AS745	Air Force Systems Networking	Headquarters, USAISC	1024

Raw Whois Response

#
# 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:       727 - 746
ASName:         AFCONC-BLOCK2-AS
ASHandle:       AS727
RegDate:        
Updated:        2008-06-06
Ref:            https://rdap.arin.net/registry/autnum/727


OrgName:        Air Force Systems Networking
OrgId:          7ESG
Address:        501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX
City:           MAXWELL AFB
StateProv:      AL
PostalCode:     36114
Country:        US
RegDate:        2008-06-05
Updated:        2025-03-13
Ref:            https://rdap.arin.net/registry/entity/7ESG


OrgAbuseHandle: REGIS10-ARIN
OrgAbuseName:   Registration
OrgAbusePhone:  +1-844-347-2457 
OrgAbuseEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgAbuseRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgTechHandle: REGIS10-ARIN
OrgTechName:   Registration
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS10-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.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "727 - 746",
    "as_handle" : "AS727",
    "as_name" : "AFCONC-BLOCK2-AS",
    "tech_contacts" : [ "REGIS10-ARIN" ],
    "abuse_contacts" : [ "REGIS10-ARIN" ],
    "date_updated" : "2008-06-06",
    "source" : "https://rdap.arin.net/registry/autnum/727"
  } ],
  "organization" : {
    "handle" : "7ESG",
    "name" : "Air Force Systems Networking",
    "address" : [ "501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX", "MAXWELL AFB", "AL", "36114", "US" ],
    "street" : "East Moore Dr.",
    "city" : "Afb",
    "state" : "AL",
    "zip_code" : "36114",
    "country" : [ "US" ],
    "date_created" : "2008-06-05",
    "date_updated" : "2025-03-13",
    "source" : "https://rdap.arin.net/registry/entity/7ESG",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "REGIS10-ARIN",
    "name" : "Registration",
    "email" : [ "disa.columbus.ns.mbx.arin-registrations@mail.mil" ],
    "phone" : [ "+1-844-347-2457" ],
    "source" : "https://rdap.arin.net/registry/entity/REGIS10-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "REGIS10-ARIN",
    "name" : "Registration",
    "email" : [ "disa.columbus.ns.mbx.arin-registrations@mail.mil" ],
    "phone" : [ "+1-844-347-2457" ],
    "source" : "https://rdap.arin.net/registry/entity/REGIS10-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS27064	DoD Network Information Center	US
AS27086	United States Department of Defense (DoD)	US
AS27080	United States Department of Defense DoD	US
AS6042	United States Department of Defense DoD	US
AS27080	United States Department of Defense (DoD)	US
AS6042	United States Department of Defense (DoD)	US
AS27079	United States Department of Defense (DoD)	US
AS27079	United States Department of Defense DoD	US
AS27086	United States Department of Defense DoD	US
AS6039	United States Department of Defense (DoD)	US
AS6041	United States Department of Defense (DoD)	US
AS6040	United States Department of Defense DoD	US
AS27064	United States Department of Defense DoD	US
AS27087	United States Department of Defense DoD	US
AS6040	United States Department of Defense (DoD)	US
AS6039	United States Department of Defense DoD	US
AS27087	United States Department of Defense (DoD)	US
AS6041	United States Department of Defense DoD	US

Upstreams

AS Number	Description	Country
AS27064	United States Department of Defense DoD	US

Downstreams

AS Number	Description	Country
AS27086	United States Department of Defense DoD	US
AS6040	United States Department of Defense DoD	US
AS27080	United States Department of Defense DoD	US
AS27087	United States Department of Defense DoD	US
AS6042	United States Department of Defense DoD	US
AS6039	United States Department of Defense DoD	US
AS6041	United States Department of Defense DoD	US
AS27079	United States Department of Defense DoD	US

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