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AS400912 Mailreef | IPGeolocation.io

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

Mailreef mailreef.com

US 1 Routes

AS Data

AS400912

AS400912 – Mailreef

AS Number	400912
AS Name	REEF-ATLNET-FL-01
Organization	Mailreef(ml-1446)
Country	US
Website	mailreef.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2024-01-10

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Use ASN data for AS400912 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
216.87.50.0/24	AS400912	Mailreef	Mailreef	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:       400912
ASName:         REEF-ATLNET-FL-01
ASHandle:       AS400912
RegDate:        2024-01-10
Updated:        2024-04-16
Comment:        -----BEGIN TOKEN-----4b96b77181e45a10d3972c17621a1f891f718d26df9dcee4ce15dbfe731ee2d47f6197a9c23148d37c74eab69e013bab62b9a5d2c86718fb1d66135fa59e59d0-----END TOKEN-----    
Ref:            https://rdap.arin.net/registry/autnum/400912


OrgName:        Mailreef
OrgId:          ML-1446
Address:        PO Box 37635 PMB 16144
City:           Philadelphia
StateProv:      PA
PostalCode:     19101
Country:        US
RegDate:        2023-11-10
Updated:        2023-12-28
Ref:            https://rdap.arin.net/registry/entity/ML-1446


OrgAbuseHandle: ABUSE8920-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-215-600-0036 
OrgAbuseEmail:  compliance@mailreef.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8920-ARIN

OrgTechHandle: MAILR-ARIN
OrgTechName:   Mailreef LLC
OrgTechPhone:  +1-215-600-0036 
OrgTechEmail:  arincontact@mailreef.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MAILR-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
AS16276	OVH SAS	FR

Upstreams

AS Number	Description	Country
AS16276	OVH SAS	FR

Frequently Asked Questions

What is ASN AS400912?

ASN AS400912 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400912?

AS400912 is listed under Mailreef.

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.