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
AS201011, Core-Backbone GmbH
Last update of data:
03-05-2024 21:32 UTC
ASN:
AS201011 (CORE-BACKBONE)
Country:
DE - Germany (Europe)
Org.:
Core-Backbone GmbH
https://www.core-backbone.com
LookingGlass
Social media:
@facebook
@twitter/X
@instagram
Stats:
Peers
1
IX'es
-
Prefixes
28
IPv4
+33K
IPv6
3,8E+30
Contact:
Core-Backbone GmbH
Deutschherrnstr. 15-19
90429
Nrnberg
GERMANY
DE
+4991131043200
Peers
Country
Relationship
ASN
Organization
Peers
Prefix'es
Germany
Upstream
AS33891
Core-Backbone GmbH
1.915
-
Announced (uniq) prefixes
Country
ASN
Announced prefix
Description
Size
Germany
AS201011
2.59.28.0/22
CORE-BACKBONE-CH
1.024
Germany
AS201011
5.56.16.0/21
CORE-BACKBONE
2.048
Germany
AS201011
31.7.176.0/20
CORE-BACKBONE
4.096
Germany
AS201011
80.255.0.0/20
CORE-BACKBONE
4.096
Germany
AS201011
81.95.0.0/20
CORE-BACKBONE
4.096
Germany
AS201011
82.199.128.0/19
CORE-BACKBONE
8.192
Germany
AS201011
83.142.80.0/21
CORE-BACKBONE
2.048
Japan
AS201011
91.194.237.0/24
CSP-IT NV
256
Germany
AS201011
92.43.104.0/21
CORE-BACKBONE
2.048
Spain
AS201011
93.159.208.0/24
CPC 208 NETWORK
256
Spain
AS201011
93.159.209.0/24
CPC CUSTOMER NETWORK
256
Spain
AS201011
93.159.210.0/24
CPC RMT NETWORK
256
Spain
AS201011
93.159.211.0/24
CPC MAIL NETWORK
256
Spain
AS201011
93.159.212.0/24
CPC VM212 NETWORK
256
Spain
AS201011
93.159.213.0/24
CPC Interoute 01
256
Spain
AS201011
93.159.214.0/24
CPC Range 214
256
Spain
AS201011
93.159.215.0/24
CPC Range 215
256
Morocco
AS201011
102.222.214.0/24
Core-Backbone GmbH
256
Spain
AS201011
185.103.8.0/22
CORE-BACKBONE
1.024
Germany
AS201011
185.247.150.0/24
Mittwald CM Service GmbH und Co.KG
256
Germany
AS201011
193.104.251.0/24
CORE-BACKBONE
256
Germany
AS201011
195.138.248.0/21
CORE-BACKBONE
2.048
Country
ASN
Announced prefix
Description
Size
Germany
AS201011
2a01:4a0::/29
CORE-BACKBONE
6,3E+29
Germany
AS201011
2a05:d4c0::/29
AS33891 NETZBETRIEB GMBH
6,3E+29
Spain
AS201011
2a05:e0c0::/29
CORE-BACKBONE
6,3E+29
Germany
AS201011
2a06:7ec0::/29
CORE-BACKBONE
6,3E+29
Germany
AS201011
2a09:ee40::/29
CORE-BACKBONE-CH
6,3E+29
Germany
AS201011
2a0b:76c0::/29
Core-Backbone GmbH
6,3E+29
- - show more (+17 entries) - -
- - show less (-17 entries) - -
Log
000
+000
Parse input (ASN)
000
+000
Search database for 'AS201011'
002
+002
1 ASN's found
002
+000
Done
002
+000
Load details of AS201011
022
+020
28 prefixes found
025
+002
1 peers found
026
+001
No matching IX connections found!
028
+002
5 links loaded, 5 verified
030
+002
1 historical items loaded
030
+000
Done