ASN AS27348 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27348?

AS27348 is listed under Surfnet Communications, Inc..

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.

How can I access the full ASN tables?

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AS27348 Surfnet Communications, Inc.

ASN Lookup Tool

Surfnet Communications, Inc. surfnetc.com

US 12 Routes

AS Data

AS27348

AS27348 – Surfnet Communications, Inc.

AS Number	27348
AS Name	SURFNET-1
Organization	Surfnet Communications, Inc. (sc-578)
Country	US
Website	surfnetc.com
Number of IPv4 Routes	12
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2013-11-13

ASN Intelligence API for production workflows

Use ASN data for AS27348 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
162.251.185.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
162.251.186.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
162.251.184.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
161.129.229.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
161.129.231.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
161.129.230.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
162.251.188.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
162.251.187.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
162.251.189.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256
161.129.224.0/24	AS27348	Surfnet Communications, Inc.	Surfnet Communications, Inc.	256

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:       27348
ASName:         SURFNET-1
ASHandle:       AS27348
RegDate:        2013-11-13
Updated:        2013-11-13
Ref:            https://rdap.arin.net/registry/autnum/27348


OrgName:        Surfnet Communications, Inc.
OrgId:          SC-578
Address:        PO Box 66831
City:           Scotts Valley
StateProv:      CA
PostalCode:     95067
Country:        US
RegDate:        2013-10-11
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/SC-578


OrgAbuseHandle: FASUL-ARIN
OrgAbuseName:   Fasulkey, Bob 
OrgAbusePhone:  +1-831-621-8115 
OrgAbuseEmail:  billing@surfnetc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/FASUL-ARIN

OrgNOCHandle: FASUL-ARIN
OrgNOCName:   Fasulkey, Bob 
OrgNOCPhone:  +1-831-621-8115 
OrgNOCEmail:  billing@surfnetc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/FASUL-ARIN

OrgTechHandle: FASUL-ARIN
OrgTechName:   Fasulkey, Bob 
OrgTechPhone:  +1-831-621-8115 
OrgTechEmail:  billing@surfnetc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FASUL-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" : "27348",
    "as_handle" : "AS27348",
    "as_name" : "SURFNET-1",
    "tech_contacts" : [ "FASUL-ARIN" ],
    "abuse_contacts" : [ "FASUL-ARIN" ],
    "date_created" : "2013-11-13",
    "date_updated" : "2013-11-13",
    "source" : "https://rdap.arin.net/registry/autnum/27348"
  } ],
  "organization" : {
    "handle" : "SC-578",
    "name" : "Surfnet Communications, Inc.",
    "address" : [ "PO Box 66831", "Scotts Valley", "CA", "95067", "US" ],
    "city" : "Scotts Valley",
    "state" : "CA",
    "zip_code" : "95067",
    "country" : [ "US" ],
    "date_created" : "2013-10-11",
    "date_updated" : "2024-11-25",
    "source" : "https://rdap.arin.net/registry/entity/SC-578",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "FASUL-ARIN",
    "name" : "Fasulkey, Bob",
    "email" : [ "billing@surfnetc.com" ],
    "phone" : [ "+1-831-621-8115" ],
    "source" : "https://rdap.arin.net/registry/entity/FASUL-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "FASUL-ARIN",
    "name" : "Fasulkey, Bob",
    "email" : [ "billing@surfnetc.com" ],
    "phone" : [ "+1-831-621-8115" ],
    "source" : "https://rdap.arin.net/registry/entity/FASUL-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS11994	Cruzio	US
AS1239	Cogent Communications, LLC	US
AS11404	Wave Broadband	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS11994	Cruzio	US
AS11404	Wave Broadband	US
AS174	Cogent Communications, LLC	US