AS17231
AT&T Enhanced Network Services
ATT-CERFNET-BLOCK
Organization
Title
AT&T Enhanced Network Services
Details
Regional Internet registry
ARIN
IP Addresses count
60,160
Coordinates
Country
United States of America
Summary
The organization AT&T Enhanced Network Services allocates 53 IP netblocks under the autonomous system number
(ASN ) of 17231.
The regional internet registry (RIR ) for this ASN is ARIN.
The country in which these IPs are located is United States of America (US), which is on #1 out of 249 countries by the total amount of ASNs allocated - 27,927.
AS17231 has 19 peers, 1 upstreams and 18 downstreams with a total of 60,160 IP addresses.
AS17231 has 19 peers, 1 upstreams and 18 downstreams with a total of 60,160 IP addresses.
IP Address ranges
| Block | Description | IPs count |
|---|---|---|
| 12.64.144.0/24 | NET-TWELVE | 256 |
| 12.64.145.0/24 | ATTSVCG-12-64-128-0 | 256 |
| 12.64.146.0/24 | ATTSVCG-12-64-128-0 | 256 |
| 12.64.147.0/24 | NET-TWELVE | 256 |
| 12.64.148.0/24 | NET-TWELVE | 256 |
| 12.64.149.0/24 | NET-TWELVE | 256 |
| 12.64.152.0/24 | NET-TWELVE | 256 |
| 12.64.153.0/24 | ATTSVCG-12-64-128-0 | 256 |
| 12.64.154.0/24 | ATTSVCG-12-64-128-0 | 256 |
| 12.64.155.0/24 | ATTSVCG-12-64-128-0 | 256 |
| 12.64.156.0/24 | NET-TWELVE | 256 |
| 12.64.157.0/24 | NET-TWELVE | 256 |
| 12.66.32.0/20 | NET-TWELVE | 4,096 |
| 12.66.63.0/24 | ATTSVCG-12-66-0-0 | 256 |
| 12.66.64.0/24 | NET-TWELVE | 256 |
| 12.66.65.0/24 | ATTSVCG-12-66-0-0 | 256 |
| 12.66.66.0/24 | NET-TWELVE | 256 |
| 12.66.67.0/24 | ATTSVCG-12-66-0-0 | 256 |
| 12.66.69.0/24 | NET-TWELVE | 256 |
| 12.66.70.0/24 | NET-TWELVE | 256 |
| 12.66.71.0/24 | NET-TWELVE | 256 |
| 12.67.6.0/24 | NET-TWELVE | 256 |
| 12.67.9.0/24 | NET-TWELVE | 256 |
| 32.228.128.0/24 | For routing issues: [email protected] | 256 |
| 32.228.129.0/24 | For routing issues: [email protected] | 256 |
| 32.228.130.0/24 | For routing issues: [email protected] | 256 |
| 32.228.131.0/24 | For routing issues: [email protected] | 256 |
| 32.228.132.0/24 | For routing issues: [email protected] | 256 |
| 32.228.133.0/24 | For routing issues: [email protected] | 256 |
| 32.228.134.0/24 | For routing issues: [email protected] | 256 |
| 32.228.135.0/24 | For routing issues: [email protected] | 256 |
| 32.228.160.0/21 | For routing issues: [email protected] | 2,048 |
| 45.150.212.0/24 | Global Frag Networks | 256 |
| 45.150.213.0/24 | Global Frag Networks | 256 |
| 45.150.214.0/24 | Global Frag Networks | 256 |
| 63.240.192.0/19 | CERFNET-BLK-5 | 8,192 |
| 134.24.162.0/24 | CERFNET | 256 |
| 134.24.240.0/22 | CERFNET | 1,024 |
| 150.170.2.0/24 | DUPONT | 256 |
| 161.68.4.0/24 | Holcim | 256 |
| 161.68.8.0/24 | Holcim | 256 |
| 199.106.176.0/21 | NETBLK-CERFNET-CBLK2 | 2,048 |
| 199.107.32.0/21 | NETBLK-CERFNET-CBLK2 | 2,048 |
| 199.107.35.0/24 | ATTWH-199-107-35-0-24-1305304924 | 256 |
| 199.107.40.0/21 | Proxy-registered route object | 2,048 |
| 199.107.64.0/21 | NETBLK-CERFNET-CBLK2 | 2,048 |
| 199.107.128.0/21 | AS CBS TRANSIT | 2,048 |
| 199.108.192.0/20 | NETBLK-CERFNET-CBLK2 | 4,096 |
| 206.16.66.0/23 | CERFNET-BLK-206 | 512 |
| 206.16.192.0/18 | CERFNET-BLK-206 | 16,384 |
| 206.16.210.0/24 | ATTENS-009355-003003 | 256 |
| 206.16.214.0/24 | ATTENS-008862-003323 | 256 |
| 206.17.16.0/20 | Proxy-registered route object | 4,096 |
Peers
| ASN | Name | IPs Count |
|---|---|---|
| AS7018 | AT&T Services, Inc. | 83,746,304 |
| AS2386 | AT&T Data Communications Services | 491,776 |
| AS4465 | AT&T Services, Inc. | 512 |
| AS11261 | eHealthInsurance Services Inc. | 1,792 |
| AS11345 | Akima Management Services, Inc. | 256 |
| AS11604 | Heller Information Services, Inc. | 2,048 |
| AS11880 | Tickets.com, Inc. | 1,280 |
| AS13788 | US Courts | 4,608 |
| AS14372 | Pegasystems Inc. | 768 |
| AS14451 | GEICO | 512 |
| AS16738 | Logistics Management Institute | 1,280 |
| AS20308 | StarTek USA, INC. | 3,072 |
| AS30082 | QS1 Data Systems | 8,448 |
| AS30634 | Radial, Inc. | 1,792 |
| AS40458 | CMFG Life Insurance Company | 1,536 |
| AS53590 | Rosetta Stone, LTD. | 768 |
| AS62685 | OrionVM Inc | 6,400 |
| AS63335 | RBS Citizens, NA | 8,192 |
| AS393415 | LITTLER MENDELSON, P.C. | 1,024 |
Upstreams
| ASN | Name | IPs Count |
|---|---|---|
| AS7018 | AT&T Services, Inc. | 83,746,304 |
Downstreams
| ASN | Name | IPs Count |
|---|---|---|
| AS2386 | AT&T Data Communications Services | 491,776 |
| AS4465 | AT&T Services, Inc. | 512 |
| AS11261 | eHealthInsurance Services Inc. | 1,792 |
| AS11345 | Akima Management Services, Inc. | 256 |
| AS11604 | Heller Information Services, Inc. | 2,048 |
| AS11880 | Tickets.com, Inc. | 1,280 |
| AS13788 | US Courts | 4,608 |
| AS14372 | Pegasystems Inc. | 768 |
| AS14451 | GEICO | 512 |
| AS16738 | Logistics Management Institute | 1,280 |
| AS20308 | StarTek USA, INC. | 3,072 |
| AS30082 | QS1 Data Systems | 8,448 |
| AS30634 | Radial, Inc. | 1,792 |
| AS40458 | CMFG Life Insurance Company | 1,536 |
| AS53590 | Rosetta Stone, LTD. | 768 |
| AS62685 | OrionVM Inc | 6,400 |
| AS63335 | RBS Citizens, NA | 8,192 |
| AS393415 | LITTLER MENDELSON, P.C. | 1,024 |
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