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ASN Lookup Tool
AS19855 MASERGY

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS19855
Organisation
Masergy Communications, Inc.
Name
MASERGY
Total IPv4 Addresses
156,320
Total IPv4 Prefixes
149
Total IPv6 Prefixes
5
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,298 out of 77,666
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2001-02-21
Registration Last Change
2012-03-02
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS7922
US flagComcast Cable Communications, LLC
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS2828
US flagVerizon Business
AS3491
US flagPCCW Global, Inc.
Showing 5 of 8
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS22775
US flagMoore Capital Management
AS543
US flagHP Inc.
AS12222
US flagAkamai Technologies, Inc.
AS26121
US flagJeppesen Sanderson Inc.
AS26428
US flagThe Talbots, Inc.
Showing 5 of 19
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix45.45.151.0/24
Range From45.45.151.0
Range To45.45.151.255
Prefix64.47.0.0/21
Range From64.47.0.0
Range To64.47.7.255
Prefix64.47.8.0/22
Range From64.47.8.0
Range To64.47.11.255
Prefix64.47.12.0/23
Range From64.47.12.0
Range To64.47.13.255
Prefix64.47.14.0/24
Range From64.47.14.0
Range To64.47.14.255
Showing 5 of 149
IPv6 Active Prefixes
Prefix2400:7160:2000::/44
Range From2400:7160:2000::
Range To2400:7160:200f:ffff:ffff:ffff:ffff:ffff
Prefix2400:7160:2020::/44
Range From2400:7160:2020::
Range To2400:7160:202f:ffff:ffff:ffff:ffff:ffff
Prefix2402:2100::/32
Range From2402:2100::
Range To2402:2100:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2607:fa70::/32
Range From2607:fa70::
Range To2607:fa70:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a03:6580::/32
Range From2a03:6580::
Range To2a03:6580:ffff:ffff:ffff:ffff:ffff:ffff
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.