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AS4891 Port of Houston Authority of Harris County, Texas

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Port of Houston Authority of Harris County, Texas poha.com

US 1 Routes

AS Data

AS4891

AS4891 – Port of Houston Authority of Harris County, Texas

AS Number	4891
AS Name	PORTO-18-4891
Organization	Port of Houston Authority of Harris County, Texas(porto-18)
Country	US
Website	poha.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2018-02-16

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
206.130.4.0/24	AS4891	Port of Houston Authority of Harris County, Texas	Port of Houston Authority of Harris County, Texas	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:       4891
ASName:         PORTO-18-4891
ASHandle:       AS4891
RegDate:        2018-02-16
Updated:        2018-02-16    
Ref:            https://rdap.arin.net/registry/autnum/4891


OrgName:        Port of Houston Authority of Harris County, Texas
OrgId:          PORTO-18
Address:        111 East Loop North
City:           Houston
StateProv:      TX
PostalCode:     77029
Country:        US
RegDate:        2008-08-05
Updated:        2018-01-24
Ref:            https://rdap.arin.net/registry/entity/PORTO-18


OrgAbuseHandle: EFU2-ARIN
OrgAbuseName:   Fuller, Eddie 
OrgAbusePhone:  +1-713-670-2400 
OrgAbuseEmail:  ITmanagers@poha.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/EFU2-ARIN

OrgTechHandle: EFU2-ARIN
OrgTechName:   Fuller, Eddie 
OrgTechPhone:  +1-713-670-2400 
OrgTechEmail:  ITmanagers@poha.com
OrgTechRef:    https://rdap.arin.net/registry/entity/EFU2-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

Peers

AS Number	Description	Country
AS13767	DataBank Holdings, Ltd.	US

Upstreams

AS Number	Description	Country
AS13767	DataBank Holdings, Ltd.	US

Frequently Asked Questions

What is ASN AS4891?

ASN AS4891 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4891?

AS4891 is listed under Port of Houston Authority of Harris County, Texas.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.