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iamroot.tech
Internet tools
DNS lookup
DNS propagation check
Port scan + probeing
WHOIS / RDAP lookup
updated
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
updated
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
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Result
AS1149, SURF B.V.
Last update of data:
20-04-2024 08:12 UTC
ASN:
AS1149 (SURFNET-AS)
Country:
NL - Netherlands (Europe)
Org.:
SURF B.V.
@twitter/X
https://www.surfnet.nl
Stats:
Peers
1
IX'es
-
Prefixes
3
IPv4
768
IPv6
1,2E+24
Contact:
SURF B.V.
P.O. Box 19035
3501 DA
Utrecht
NETHERLANDS
voice +31887873000
SURF Network Maintainer
Kantoren Hoog Overborch (Hoog Catharijne)
Moreelsepark 48, 3511 EP Utrecht
Postbus 19035, 3501 DA Utrecht
voice +31 88 7873000
cert@surfcert.nl
History
Date
Peers
IX'es
Prefixes
IPv4
IPv6
Before 24-02-2024
1
-
2
512
3,1E+26
24-02-2024
-
-
+2
+512
-
23-03-2024
-
-
-1
-256
-0,3E+27
Current
1
-
3
768
1,2E+24
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
United States
Upstream
AS20473
The Constant Company, LLC
1.246
1.202
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Netherlands
AS1149
145.100.118.0/23
Universiteit Twente
512
Netherlands
AS1149
145.116.218.0/24
Universiteit Twente
256
Country
ASN
Announced prefix
Description
Size
Netherlands
AS1149
2001:610:9000::/48
Universiteit Twente
1,2E+24
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS1149'
003
+002
1 ASN's found
003
+000
Done
003
+000
Load details of AS1149
015
+012
3 prefixes found
019
+004
1 peers found
021
+003
No matching IX connections found!
023
+002
2 links loaded, 2 verified
026
+002
3 historical items loaded
026
+000
Done