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 | 23257 |
|---|
| Name | IBMCCH-DAL-EQU |
|---|
| Organization | IBM |
|---|
| Country | United States 
|
|---|
| Registry | ARIN |
|---|
| IPv4 addresses | 512 |
|---|
| IPv6 /64 networks | 0 |
|---|
| Prefixes | 2 |
|---|
Other ASN allocated to IBM
| ASN |
Name |
IP addresses |
| 18703 |
IBMCCH-ASH |
29,696 |
| 19604 |
IBM-RALEIGH-CL |
21,760 |
| 10676 |
GLOBALEC |
12,800 |
| 17390 |
CIO-ORGANIZATION |
6,656 |
| 14926 |
IBMCCH-MIL |
4,352 |
| 395473 |
TWCPT |
2,304 |
| 14904 |
IBMCCH-RTP |
1,792 |
| 2140 |
ISSC-AS |
1,792 |
| 19152 |
IBMCCH-TOR |
1,536 |
| 19898 |
FIBERLINK |
1,280 |
| 14912 |
IBMCCH-SBY |
1,024 |
| 27477 |
POLAR-PUBLIC-HUB-POP-ASN |
768 |
| 26062 |
IBMCCH-LAX |
512 |
| 763 |
IBM-PEN-TEST |
512 |
| 393850 |
CLEVERSAFE |
512 |
| 15006 |
IBMCCH-STL |
256 |
| 1956 |
IBMEVS-AS |
256 |
| 26543 |
IBM-CMS-RPL |
0 |
| 46589 |
COREMETRICS-1 |
0 |
| 27530 |
IBM-DC-SF |
0 |
| 29834 |
USTREAM |
0 |
| 36347 |
WUNDERGROUND |
0 |
| 46199 |
CLEARLEAP |
0 |
| 39982 |
UNICA-ONDEMAND |
0 |
| 547 |
ASN-IBM-LEX |
0 |
| 23145 |
BLUE-BOX-GRP |
0 |
| 1786 |
AIXSERV-AS |
0 |
| 1997 |
IBMDES-AS |
0 |
| 2538 |
IBM-PLP |
0 |
| 2560 |
BOCA-AS |
0 |
| 10659 |
SEQUENT-CS2 |
0 |
| 18713 |
IBMCCH-SJO |
0 |
| 19057 |
IBMCCH-CHI |
0 |
| 19073 |
BLUE-BOX-GRP |
0 |
| 19093 |
IBMUSF-SCH |
0 |
| 19603 |
IBMCCH-STV |
0 |
| 400029 |
BLUE-POP-LAB-SBR |
0 |
IPv4 Prefixes for AS23257
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