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Autonomous System

AS20311

Valero Corporate Services

Announced IPs
131,072
CIDR prefixes
2
ASN
AS20311

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.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
149.58.0.0/16 65.5K
0.0%
Valero Corporate Services US
170.111.0.0/16 65.5K
0.7%
Valero Corporate Services US Texas San Antonio

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20311 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
149.58.0.0/16 20,442 2026-09-12 06:40:12
170.111.0.0/16 17,076 2026-09-12 06:40:12
170.111.80.0/20 7,794 2026-09-12 08:45:16
170.111.208.0/20 7,763 2026-09-12 08:45:16
170.111.16.0/20 7,735 2026-09-12 08:45:16
170.111.112.0/20 7,680 2026-09-12 08:45:16
170.111.144.0/20 7,677 2026-09-12 08:45:16
170.111.128.0/20 7,677 2026-09-12 08:45:16
170.111.0.0/20 7,676 2026-09-12 08:45:16
170.111.240.0/20 7,674 2026-09-12 08:45:16
149.58.192.0/20 7,672 2026-09-12 08:45:07
170.111.32.0/20 7,671 2026-09-12 08:45:16
170.111.64.0/20 7,670 2026-09-12 08:45:16
170.111.48.0/20 7,668 2026-09-12 08:45:16
170.111.224.0/20 7,668 2026-09-12 08:45:16
170.111.160.0/20 7,665 2026-09-12 08:45:16
149.58.0.0/20 7,660 2026-09-12 08:45:07
170.111.96.0/20 7,659 2026-09-12 08:45:16
170.111.176.0/20 7,656 2026-09-12 08:45:16
170.111.192.0/20 7,653 2026-09-12 08:45:16
149.58.64.0/20 7,601 2026-09-12 08:45:07
149.58.224.0/20 7,590 2026-09-12 08:45:07
149.58.144.0/20 7,590 2026-09-12 08:45:07
149.58.32.0/20 7,589 2026-09-12 08:45:07
149.58.240.0/20 7,586 2026-09-12 08:45:07
149.58.208.0/20 7,583 2026-09-12 08:45:07
149.58.176.0/20 7,581 2026-09-12 08:45:07
149.58.160.0/20 7,580 2026-09-12 08:45:07
149.58.112.0/20 7,579 2026-09-12 08:45:07
149.58.16.0/20 7,575 2026-09-12 08:45:07
149.58.128.0/20 7,574 2026-09-12 08:45:07
149.58.80.0/20 7,573 2026-09-12 08:45:07
149.58.48.0/20 7,571 2026-09-12 08:45:07

Frequently Asked Questions

What is AS20311?

AS20311 is an Autonomous System Number assigned to Valero Corporate Services. 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 AS20311 announce?

AS20311 announces 131.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS20311?

AS20311 is operated by Valero Corporate Services. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS20311 registered in?

AS20311 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-12 08:55:41 UTC
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