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
AS9419, Nanyang Technological University
Last update of data:
30-04-2024 18:55 UTC
ASN:
AS9419 (NTU-AS-AP)
Country:
SG - Singapore (Asia)
Org.:
Nanyang Technological University
https://www.ntu.edu.sg
Social media:
@facebook
@instagram
@linkedin
@twitter/X
@linkedin
Stats:
Peers
17
IX'es
-
Prefixes
1
IPv4
+65K
IPv6
-
Contact:
Nanyang Technological University
Nanyang Technological University, Centre for IT Services
76 Nanyang Drive
N2.1-B1
Singapore 637331
SG
+65 6790 5231
History
Date
Peers
IX'es
Prefixes
IPv4
IPv6
Before 06-02-2024
18
-
1
65.536
-
06-02-2024
-2
-
-
-
-
30-04-2024
+1
-
-
-
-
Current
17
-
1
65.536
-
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Angola
Upstream
AS37468
Angola Cables
2.250
10
Luxembourg
Peer
AS199524
G-Core Labs S.A.
5.241
452
Netherlands
Peer
AS49544
i3D.net B.V
6.510
134
Norway
Peer
AS61292
Blix Group AS
214
3
Singapore
Upstream
AS38861
Starhub Ltd.
97
-
Singapore
Upstream
AS132337
AXCLUSIVE PTE. LTD.
550
32
Singapore
Upstream
AS134148
SingAREN
31
3
Singapore
Upstream
AS23855
SingAREN
51
3
Singapore
Upstream
AS3758
SingNet Pte Ltd
107
149
Singapore
Upstream
AS4657
Starhub Ltd.
418
34
Singapore
Peer
AS38001
NewMedia Express Pte Ltd
639
80
Singapore
Peer
AS18106
Viewqwest Pte Ltd
2.150
29
Singapore
Peer
AS24482
SG.GS
8.488
17
Taiwan
Peer
AS134823
Sky Digital Co., Ltd.
502
23
United States
Upstream
AS6939
Hurricane Electric LLC
10.632
262
United States
Peer
AS14907
Wikimedia Foundation Inc.
1.667
19
Upstream
AS63927
341
4
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Singapore
AS9419
155.69.0.0/16
Nanyang Technological University
65.536
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS9419'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS9419
011
+009
1 prefixes found
027
+016
17 peers found
029
+002
No matching IX connections found!
032
+003
6 links loaded, 6 verified
034
+002
3 historical items loaded
034
+000
Done