iamroot.tech
Toggle navigation
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
All tools
Page nav
Page nav
iamroot.tech
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
HTTP/S request tool
TLS/SSL certificate check
beta
E-mail DNSBL blacklist check
Reverse DNS
CIDR calculator
beta
ASN database lookup
beta
What is my IPv4 and IPv6?
GeoIP location
QR code generator
Dev tools
Color contrast checker
Color picker
Lorem ipsum generator
URL encode/decode
HTML encode/decode
BASE64 encode/decode
Hash calculator (CRC64 - MD5 - SHA - RIPEMD)
Misc tools
Password generator
World map, day/night + local time
beta
CTRL+D to bookmark
Add to homescreen
×
Tap the 'Share button' at the bottom of the screen:
Scroll down the list, and select 'Add to Home Screen':
Tap the menu icon (3 dots - upper right-hand corner):
and select 'Add to homescreen'.:
ASN database
You may find these sub-pages interesting as well:
Top ASN's by country
Directory of +1.200 verified looking glass url's
NEW: ASN database statistics
Related tools
DNS lookup
DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.
WHOIS / RDAP lookup
Perform WHOIS and/or RDAP lookups on domains, IP addresses, and ASNs. Will output all available technical info, contact info, etc.
Reverse DNS
Perform reverse DNS (rDNS/PTR) lookups of any IP.
CIDR calculator
beta
IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.
What is my IPv4 and IPv6?
Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.
GeoIP location
Online tool GeoIP location of any IP and/or domain.
World map, day/night + local time
beta
Beautiful day/night map of the world, with markup of all major cities including local date and time.
Result
AS21737, SpringNet
Last update of data:
29-04-2024 07:35 UTC
ASN:
AS21737 (SPRINGNET2-NET)
Country:
US - United States (North America)
Org.:
SpringNet
https://www.springnet.net
Stats:
Peers
16
IX'es
-
Prefixes
6
IPv4
+24K
IPv6
7,9E+28
Contact:
SpringNet
301 E. Central
65802
Springfield
US
+1-417-874-8000
Abuse
abuse@springnet.net
+1-417-874-8000
History
Date
Peers
IX'es
Prefixes
IPv4
IPv6
Before 05-02-2024
14
-
6
24.832
7,9E+28
05-02-2024
-1
-
-
-
-
04-03-2024
+1
-
-
-
-
29-04-2024
+2
-
-
-
-
Current
16
-
6
24.832
7,9E+28
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Brazil
Peer
AS271253
LINK BRASIL TELECOMUNICACOES LTDA
5.001
18
Canada
Peer
AS399580
Radish Networks
220
5
Portugal
Peer
AS200454
Tomas Oliveira Valente Leite de Castro
133
6
Switzerland
Peer
AS34927
iFog GmbH
2.643
59
United States
Upstream
AS174
Cogent Communications
6.785
1.463
United States
Upstream
AS3356
Level 3 Parent, LLC
6.668
791
United States
Upstream
AS6939
Hurricane Electric LLC
10.632
262
United States
Peer
AS36236
NetActuate, Inc
7.343
206
United States
Peer
AS1003
andrewnet
134
15
United States
Peer
AS924
Cloudie Networks LLC
339
12
United States
Downstream
AS21835
Scarsdale Security Systems, Inc.
2
4
United States
Downstream
AS30628
SRC Automotive Inc.
1
1
United States
Downstream
AS33252
Bass Pro, LLC.
3
3
United States
Downstream
AS393977
Great Southern Bank
1
2
United States
Downstream
AS63051
Critical Hosting Solutions LLC
10
6
Peer
AS945
August Internet
1.268
75
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
United States
AS21737
64.22.224.0/19
SpringNet
8.192
United States
AS21737
66.119.0.0/19
SpringNet
8.192
United States
AS21737
75.98.96.0/20
SpringNet
4.096
United States
AS21737
76.77.128.0/20
SpringNet
4.096
United States
AS21737
198.246.200.0/24
SpringNet
256
Country
ASN
Announced prefix
Description
Size
United States
AS21737
2001:49b8::/32
SpringNet
7,9E+28
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS21737'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS21737
010
+008
6 prefixes found
020
+010
16 peers found
021
+002
No matching IX connections found!
022
+001
1 links loaded, 1 verified
024
+001
4 historical items loaded
024
+000
Done