ASN AS37521 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS37521?

AS37521 is listed under Internet Solutions Nigeria Limited.

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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AS37521 Internet Solutions Nigeria Limited

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Internet Solutions Nigeria Limited

NG 10 Routes

AS Data

AS37521

AS37521 – Internet Solutions Nigeria Limited

AS Number	37521
AS Name	Internet-Solutions-NG
Organization	Internet Solutions Nigeria Limited (org-isnl1-afrinic)
Country	NG
Number of IPv4 Routes	9
Number of IPv6 Routes	1
ASN type	ISP
Allocation Status	ASSIGNED
Registry	AFRINIC
Date Allocated	N/A

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
197.255.252.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	256
102.165.127.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	256
102.165.125.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	256
102.165.124.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	256
102.165.126.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria	256
197.255.254.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	256
2c0f:eae0::/32	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	~79×10²⁷
197.255.255.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	256
197.149.125.0/24	AS37521	Internet Solutions Nigeria Limited	ISN NOVA	256
197.255.253.0/24	AS37521	Internet Solutions Nigeria Limited	Internet Solutions Nigeria Limited	256

Raw Whois Response

% This is the AfriNIC Whois server.
% The AFRINIC whois database is subject to  the following terms of Use. See https://afrinic.net/whois/terms

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS37521'

% No abuse contact registered for AS37521

aut-num:        AS37521
as-name:        Internet-Solutions-NG
descr:          Internet Solutions NIgeria Ltd
status:         ASSIGNED
admin-c:        NI32-AFRINIC
tech-c:         JA51-AFRINIC
tech-c:         NI32-AFRINIC
org:            ORG-ISNL1-AFRINIC
mnt-by:         AFRINIC-HM-MNT
mnt-lower:      Internet-Solutions-NG-MNT
mnt-routes:     Internet-Solutions-NG-MNT
source:         AFRINIC # Filtered

organisation:   ORG-ISNL1-AFRINIC
org-name:       Internet Solutions Nigeria Limited
org-type:       LIR
country:        NG
address:        11-12 Ibiyinka Olorunbe Close,
address:        Off Amodu Ojikutu Street,
address:        Victoria Island,
address:        Lagos 1111
phone:          tel:+234-805-801-0581
phone:          tel:+234-815-064-2255
phone:          tel:+234-815-064-2256
phone:          tel:+234-805-700-1233
phone:          tel:+234-805-869-6423
admin-c:        NI32-AFRINIC
tech-c:         JA51-AFRINIC
tech-c:         NI32-AFRINIC
mnt-ref:        AFRINIC-HM-MNT
mnt-ref:        Internet-Solutions-NG-MNT
mnt-by:         AFRINIC-HM-MNT
source:         AFRINIC # Filtered

person:         Johnson Aderonmu
address:        11-12 Ibiyinka Olorunbe Close, Off Amodu Ojikutu
address:        Victoria Island, Lagos
address:        Nigeria
phone:          tel:+234-815-064-2256
nic-hdl:        JA51-AFRINIC
mnt-by:         ISN-CNG
source:         AFRINIC # Filtered

person:         Newton Ikpefan
nic-hdl:        NI32-AFRINIC
address:        11-12 Ibiyinka Olorunbe Close, Off Amodu Ojikutu Street, Victoria Island
address:        Lago
address:        Nigeria
phone:          tel:+234-805-869-6423
mnt-by:         GENERATED-MBZFLEJ8WDUY8SMWVZMIDZU7OSSBYXZ8-MNT
source:         AFRINIC # Filtered

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.afrinic.net",
  "aut_nums" : [ {
    "aut_num" : "AS37521",
    "as_name" : "Internet-Solutions-NG",
    "description" : [ "Internet Solutions NIgeria Ltd" ],
    "status" : "ASSIGNED",
    "organization" : "ORG-ISNL1-AFRINIC",
    "admin_contacts" : [ "NI32-AFRINIC" ],
    "tech_contacts" : [ "JA51-AFRINIC", "NI32-AFRINIC" ],
    "mnt_lower" : [ "Internet-Solutions-NG-MNT" ],
    "mnt_routes" : [ "Internet-Solutions-NG-MNT" ],
    "mnt_by" : [ "AFRINIC-HM-MNT" ],
    "source" : "AFRINIC"
  } ],
  "organization" : {
    "handle" : "ORG-ISNL1-AFRINIC",
    "name" : "Internet Solutions Nigeria Limited",
    "type" : "LIR",
    "address" : [ "11-12 Ibiyinka Olorunbe Close,", "Off Amodu Ojikutu Street,", "Victoria Island,", "Lagos 1111" ],
    "street" : "Ibiyinka Olorunbe Close Off Amodu Ojikutu Street Victoria Island Lagos",
    "country" : [ "NG" ],
    "phone" : [ "+234-805-801-0581", "+234-815-064-2255", "+234-815-064-2256", "+234-805-700-1233", "+234-805-869-6423" ],
    "admin_contacts" : [ "NI32-AFRINIC" ],
    "tech_contacts" : [ "JA51-AFRINIC", "NI32-AFRINIC" ],
    "mnt_ref" : [ "AFRINIC-HM-MNT", "Internet-Solutions-NG-MNT" ],
    "mnt_by" : [ "AFRINIC-HM-MNT" ],
    "source" : "AFRINIC"
  },
  "administrative_contacts" : [ {
    "handle" : "NI32-AFRINIC",
    "name" : "Newton Ikpefan",
    "address" : [ "11-12 Ibiyinka Olorunbe Close, Off Amodu Ojikutu Street, Victoria Island", "Lago", "Nigeria" ],
    "street" : "Ibiyinka Olorunbe Close Off Amodu Ojikutu Street",
    "city" : "Lago",
    "country" : "NIGERIA",
    "phone" : [ "+234-805-869-6423" ],
    "mnt_by" : [ "GENERATED-MBZFLEJ8WDUY8SMWVZMIDZU7OSSBYXZ8-MNT" ],
    "source" : "AFRINIC",
    "addressCountry" : "NIGERIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "JA51-AFRINIC",
    "name" : "Johnson Aderonmu",
    "address" : [ "11-12 Ibiyinka Olorunbe Close, Off Amodu Ojikutu", "Victoria Island, Lagos", "Nigeria" ],
    "street" : "Ibiyinka Olorunbe Close Off Amodu Ojikutu",
    "city" : "Island",
    "state" : "LAGOS",
    "country" : "NIGERIA",
    "phone" : [ "+234-815-064-2256" ],
    "mnt_by" : [ "ISN-CNG" ],
    "source" : "AFRINIC",
    "addressCountry" : "NIGERIA"
  }, {
    "handle" : "NI32-AFRINIC",
    "name" : "Newton Ikpefan",
    "address" : [ "11-12 Ibiyinka Olorunbe Close, Off Amodu Ojikutu Street, Victoria Island", "Lago", "Nigeria" ],
    "street" : "Ibiyinka Olorunbe Close Off Amodu Ojikutu Street",
    "city" : "Lago",
    "country" : "NIGERIA",
    "phone" : [ "+234-805-869-6423" ],
    "mnt_by" : [ "GENERATED-MBZFLEJ8WDUY8SMWVZMIDZU7OSSBYXZ8-MNT" ],
    "source" : "AFRINIC",
    "addressCountry" : "NIGERIA"
  } ]
}

Peers

AS Number	Description	Country
AS37468	Angola Cables	AO
AS199524	G-Core Labs S.A.	LU
AS60171	AFR IX TELECOM S.A.	ES
AS37721	Virtual Technologies & Solutions	BF
AS37613	DOLPHIN TELECOMMUNICATION LIMITED	GH
AS214354	SiteHUB Agency Ltd	NG
AS37148	Globacom Limited	NG
AS37282	Mainone Cable Company	NG
AS37662	West Indian Ocean Cable Company	MU
AS60171	AFR-IX TELECOM S.A.	ES

Upstreams

AS Number	Description	Country
AS37468	Angola Cables	AO
AS60171	AFR IX TELECOM S.A.	ES
AS37613	DOLPHIN TELECOMMUNICATION LIMITED	GH
AS37148	Globacom Limited	NG
AS37282	Main one Cable Company Nigeria Limited	NG

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AS37521 – Internet Solutions Nigeria Limited

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