AS18434
Fidelity National Information Services, Inc.
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 →
Network profile
Source: PeeringDB →Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18434 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 |
|---|---|---|
| 198.84.9.0/24 | 159,843 | 2026-07-23 21:09:44 |
| 156.55.245.0/24 | 57,459 | 2026-07-23 22:33:17 |
| 156.55.242.0/24 | 51,530 | 2026-07-23 22:36:50 |
| 147.249.33.0/24 | 44,311 | 2026-07-23 22:24:57 |
| 156.55.157.0/24 | 15,994 | 2026-07-23 21:38:54 |
| 156.55.127.0/24 | 14,286 | 2026-07-23 21:35:28 |
| 147.249.242.0/24 | 13,451 | 2026-07-23 21:15:27 |
| 147.249.64.0/24 | 13,167 | 2026-07-13 10:08:16 |
| 147.249.52.0/24 | 9,188 | 2026-07-23 21:32:00 |
| 147.249.193.0/24 | 8,274 | 2026-07-23 21:30:48 |
| 147.249.53.0/24 | 8,260 | 2026-07-23 21:32:41 |
| 147.249.188.0/24 | 8,241 | 2026-07-23 21:33:11 |
| 185.41.233.0/24 | 7,940 | 2026-07-23 21:13:53 |
| 63.141.161.0/24 | 7,668 | 2026-07-23 21:36:55 |
| 147.249.74.0/24 | 7,289 | 2026-07-23 21:15:18 |
| 147.249.73.0/24 | 7,288 | 2026-07-23 21:14:26 |
| 185.41.234.0/24 | 7,250 | 2026-07-23 21:14:54 |
| 147.249.1.0/24 | 7,249 | 2026-07-23 21:17:13 |
| 185.41.235.0/24 | 7,245 | 2026-07-23 21:15:43 |
| 195.110.230.0/24 | 7,206 | 2026-07-23 21:26:40 |
| 185.41.232.0/24 | 7,205 | 2026-07-23 21:21:14 |
| 147.249.0.0/24 | 7,194 | 2026-07-23 21:24:25 |
| 63.141.160.0/24 | 7,116 | 2026-07-23 21:16:40 |
| 206.71.29.0/24 | 6,933 | 2026-07-23 21:38:13 |
| 69.36.16.0/24 | 6,735 | 2026-07-23 21:37:40 |
| 156.55.201.0/24 | 6,732 | 2026-07-23 21:28:14 |
| 147.249.4.0/24 | 6,731 | 2026-07-23 21:20:53 |
| 156.55.205.0/24 | 6,726 | 2026-07-23 21:25:18 |
| 156.55.139.0/24 | 6,717 | 2026-07-23 21:26:04 |
| 156.55.112.0/24 | 6,716 | 2026-07-23 21:24:49 |
| 156.55.173.0/24 | 6,710 | 2026-07-23 21:26:22 |
| 156.55.174.0/24 | 6,708 | 2026-07-23 21:27:02 |
| 156.55.134.0/24 | 6,707 | 2026-07-23 21:28:21 |
| 156.55.204.0/24 | 6,706 | 2026-07-23 21:31:00 |
| 156.55.137.0/24 | 6,700 | 2026-07-23 21:31:05 |
| 156.55.200.0/24 | 6,688 | 2026-07-23 21:33:59 |
| 147.249.19.0/24 | 6,688 | 2026-07-23 21:32:24 |
| 156.55.125.0/24 | 6,687 | 2026-07-23 21:34:18 |
| 147.249.16.0/24 | 6,679 | 2026-07-23 21:35:45 |
| 156.55.27.0/24 | 6,673 | 2026-07-23 21:35:53 |
| 216.189.252.0/24 | 6,635 | 2026-07-23 21:35:15 |
| 205.141.247.0/24 | 6,626 | 2026-07-23 21:37:37 |
| 147.249.243.0/24 | 6,454 | 2026-07-23 21:16:12 |
| 207.250.227.0/24 | 6,208 | 2026-07-23 21:29:57 |
| 12.6.9.0/24 | 6,136 | 2026-07-23 21:18:52 |
| 206.71.31.0/24 | 6,103 | 2026-07-23 21:39:54 |
| 156.55.164.0/24 | 6,077 | 2026-07-23 21:32:24 |
| 12.19.55.0/24 | 6,076 | 2026-07-23 21:32:43 |
| 216.189.244.0/24 | 6,029 | 2026-07-23 21:15:31 |
| 156.55.176.0/24 | 6,015 | 2026-07-23 21:22:27 |
Showing top 50 of 94 announced prefixes by sample volume.
Frequently Asked Questions
What is AS18434?
AS18434 is an Autonomous System Number assigned to Fidelity National Information Services, Inc.. 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 AS18434 announce?
AS18434 announces 24.6K IPv4 addresses distributed across 70 routed CIDR prefixes. The network is registered in United States.
Who operates AS18434?
AS18434 is operated by Fidelity National Information Services, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS18434 registered in?
AS18434 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
