AS17903
Cognizant Technology Solutions India Pvt Ltd,
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17903 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 116.66.148.0/22 | 499,978 | 2026-07-30 09:57:22 |
| 116.66.150.0/24 | 493,582 | 2026-07-30 09:57:22 |
| 27.118.34.0/24 | 80,326 | 2026-07-30 09:53:06 |
| 203.99.216.0/23 | 78,091 | 2026-07-30 09:53:38 |
| 203.99.202.0/24 | 76,046 | 2026-07-30 09:53:38 |
| 203.99.208.0/24 | 75,857 | 2026-07-30 09:53:38 |
| 203.99.214.0/23 | 75,726 | 2026-07-30 09:53:38 |
| 203.99.213.0/24 | 75,115 | 2026-07-30 09:53:38 |
| 203.99.219.0/24 | 75,103 | 2026-07-30 09:53:38 |
| 116.66.138.0/23 | 75,028 | 2026-07-30 09:53:38 |
| 116.66.137.0/24 | 75,022 | 2026-07-30 09:53:38 |
| 203.99.208.0/23 | 74,888 | 2026-07-30 09:53:38 |
| 203.99.200.0/23 | 72,474 | 2026-07-30 09:53:38 |
| 203.99.197.0/24 | 71,697 | 2026-07-30 09:53:38 |
| 116.66.158.0/23 | 71,368 | 2026-07-30 09:53:38 |
| 203.99.192.0/22 | 71,111 | 2026-07-30 09:53:38 |
| 203.99.196.0/24 | 71,050 | 2026-07-30 09:34:22 |
| 203.99.199.0/24 | 70,586 | 2026-07-30 09:53:38 |
| 203.99.198.0/24 | 70,573 | 2026-07-30 09:53:38 |
| 203.99.204.0/22 | 70,537 | 2026-07-30 09:53:37 |
| 203.99.194.0/23 | 70,522 | 2026-07-30 09:53:38 |
| 203.99.192.0/23 | 70,510 | 2026-07-30 09:53:38 |
| 203.99.196.0/22 | 69,429 | 2026-07-30 09:11:50 |
| 203.99.205.0/24 | 69,114 | 2026-07-30 09:53:38 |
| 116.66.139.0/24 | 69,026 | 2026-07-30 09:53:38 |
| 116.66.138.0/24 | 68,043 | 2026-07-30 09:53:38 |
| 203.132.208.0/23 | 67,202 | 2026-07-30 09:53:38 |
| 27.118.35.0/24 | 66,492 | 2026-07-30 07:27:31 |
| 203.99.221.0/24 | 66,306 | 2026-07-30 07:27:31 |
| 116.66.152.0/22 | 64,201 | 2026-07-30 09:53:38 |
| 116.66.154.0/24 | 63,588 | 2026-07-30 09:53:38 |
| 203.99.218.0/24 | 59,604 | 2026-07-30 07:27:31 |
| 27.118.32.0/24 | 45,079 | 2026-07-30 07:27:31 |
| 27.118.36.0/22 | 28,807 | 2026-07-30 09:11:50 |
| 27.118.38.0/24 | 28,511 | 2026-07-30 09:53:06 |
| 27.118.36.0/24 | 27,907 | 2026-07-30 09:11:50 |
| 116.66.151.0/24 | 27,505 | 2026-07-30 09:43:35 |
| 116.66.149.0/24 | 27,490 | 2026-07-30 09:43:35 |
| 116.66.150.0/23 | 27,483 | 2026-07-30 09:43:35 |
| 116.66.148.0/24 | 27,446 | 2026-07-30 09:43:35 |
| 203.99.192.0/21 | 23,654 | 2026-07-30 09:43:44 |
| 27.118.56.0/24 | 21,877 | 2026-07-30 09:21:50 |
| 116.66.130.0/24 | 17,716 | 2026-07-30 07:37:43 |
| 203.99.200.0/24 | 14,210 | 2026-07-30 07:27:18 |
| 203.99.201.0/24 | 14,167 | 2026-07-30 07:27:18 |
| 203.99.192.0/24 | 14,145 | 2026-07-30 07:27:23 |
| 203.132.214.0/24 | 12,294 | 2026-07-30 09:53:38 |
| 203.99.198.0/23 | 11,976 | 2026-07-30 07:27:37 |
| 203.99.195.0/24 | 11,829 | 2026-07-30 07:27:23 |
| 203.99.194.0/24 | 11,827 | 2026-07-30 07:27:23 |
Showing top 50 of 97 announced prefixes by sample volume.
Frequently Asked Questions
What is AS17903?
AS17903 is an Autonomous System Number assigned to Cognizant Technology Solutions India Pvt Ltd,. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS17903 announce?
AS17903 announces 18.2K IPv4 addresses distributed across 30 routed CIDR prefixes. The network is registered in India.
Who operates AS17903?
AS17903 is operated by Cognizant Technology Solutions India Pvt Ltd. The organization is based in India. You can view all IP ranges and related ASNs on the organization page.
What country is AS17903 registered in?
AS17903 is registered in India. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
