Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 1133 |
|---|
| Name | UTWENTE-AS |
|---|
| Organization | SURFnet bv |
|---|
| Country | Netherlands 
|
|---|
| Registry | ARIN |
|---|
| IPv4 addresses | 65,536 |
|---|
| IPv6 /64 networks | 216 |
|---|
| Prefixes | 2 |
|---|
| ASN |
Name |
IP addresses |
| 1103 |
SURFNET-NL |
6,270,464 |
| 1101 |
IP-EEND-AS |
1,838,592 |
| 1128 |
TUDELFT-NL |
196,608 |
| 1161 |
AS-TUE |
70,656 |
| 1199 |
ABUSEHUB-AS SURFnet |
65,536 |
| 1125 |
UNSPECIFIED |
65,536 |
| 1147 |
MCL-AS |
32,768 |
| 1145 |
Kennisnet-AS |
4,096 |
| 1142 |
WKAPNET |
3,072 |
| 1132 |
METEOGROUP-AS |
768 |
| 1149 |
SURFNET-AS SURFnet BV |
768 |
| 1102 |
SMEERBOEL-AS |
768 |
| 1146 |
OS3-AS |
256 |
| 1150 |
SURFNET-AS |
0 |
IPv4 addresses
| Network |
Location |
Addresses |
| 130.89.0.0/16 |
SURFnet bv |
Amsterdam (Amsterdam-Zuidoost) |
65,536 |
IPv6 addresses
| Network |
Location |
/64 Prefixes |
| 2001:67c:2564::/48 |
University Twente |
Amsterdam (Amsterdam-Zuidoost) |
216 |