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Autonomous System

AS14782

MailChimp

Announced IPs
25,088
CIDR prefixes
31
ASN
AS14782

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.

65/100
Moderate
How this score is built

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

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
198.2.128.0/18 16.4K
49.4%
MailChimp US
205.201.128.0/20 4.1K
50.3%
MailChimp US
198.2.128.0/21 2.0K
0.0%
MailChimp US
148.105.12.0/22 1.0K
97.8%
MailChimp US
198.2.136.0/22 1.0K
0.0%
MailChimp US
198.2.180.0/22 1.0K
0.0%
MailChimp US
198.2.184.0/22 1.0K
0.0%
MailChimp US
205.201.128.0/22 1.0K
0.0%
MailChimp US
148.105.0.0/23 512
25.0%
MailChimp US
148.105.10.0/23 512
70.3%
MailChimp US
148.105.128.0/23 512
0.0%
MailChimp US
148.105.254.0/23 512
11.3%
MailChimp US
198.2.142.0/23 512
0.0%
MailChimp US
198.2.144.0/23 512
0.0%
MailChimp US
198.2.174.0/23 512
0.0%
MailChimp US
198.2.178.0/23 512
0.0%
MailChimp US
205.201.134.0/23 512
0.0%
MailChimp US
205.201.136.0/23 512
0.0%
MailChimp US
148.105.4.0/24 256
46.9%
MailChimp US
148.105.8.0/24 256
49.6%
MailChimp US
148.105.16.0/24 256
0.0%
MailChimp US
148.105.241.0/24 256
0.0%
MailChimp US
148.105.242.0/24 256
0.0%
MailChimp US
148.105.251.0/24 256
0.0%
MailChimp US
148.105.255.0/24 256
0.0%
MailChimp US
198.2.141.0/24 256
0.0%
MailChimp US
198.2.177.0/24 256
0.0%
MailChimp US
198.2.188.0/24 256
0.0%
MailChimp US
198.2.190.0/24 256
0.0%
MailChimp US
205.201.133.0/24 256
0.0%
MailChimp US
205.201.139.0/24 256
0.0%
MailChimp US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS14782 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
148.105.1.0/24 17,013 2026-09-16 03:57:13
148.105.0.0/24 16,985 2026-09-16 03:57:13
148.105.4.0/24 16,884 2026-09-16 03:57:13
148.105.251.0/24 16,873 2026-09-16 03:57:13
148.105.16.0/24 16,839 2026-09-16 03:57:13
198.2.178.0/24 16,824 2026-09-16 03:57:13
198.2.129.0/24 16,822 2026-09-16 03:57:13
198.2.183.0/24 16,812 2026-09-16 03:57:13
198.2.145.0/24 16,800 2026-09-16 03:57:13
205.201.130.0/24 16,794 2026-09-16 03:57:13
205.201.135.0/24 16,794 2026-09-16 03:57:13
198.2.128.0/24 16,783 2026-09-16 03:57:13
205.201.131.0/24 16,780 2026-09-16 03:57:13
198.2.179.0/24 16,778 2026-09-16 03:57:13
205.201.129.0/24 16,777 2026-09-16 03:57:13
198.2.182.0/24 16,766 2026-09-16 03:57:13
198.2.131.0/24 16,766 2026-09-16 03:57:13
198.2.177.0/24 16,760 2026-09-16 03:57:13
198.2.180.0/24 16,759 2026-09-16 03:57:13
205.201.134.0/24 16,754 2026-09-16 03:57:13
205.201.133.0/24 16,754 2026-09-16 03:57:13
198.2.134.0/24 16,751 2026-09-16 03:57:13
198.2.181.0/24 16,747 2026-09-16 03:57:13
198.2.130.0/24 16,746 2026-09-16 03:57:13
198.2.135.0/24 16,744 2026-09-16 03:57:13
198.2.144.0/24 16,739 2026-09-16 03:57:13
198.2.133.0/24 16,714 2026-09-16 03:57:13
198.2.132.0/24 16,712 2026-09-16 03:57:13
205.201.128.0/24 16,707 2026-09-16 03:57:13
148.105.128.0/24 13,780 2026-09-16 03:35:54
148.105.10.0/24 13,752 2026-09-16 03:35:54
148.105.129.0/24 13,748 2026-09-16 03:35:54
148.105.12.0/24 13,744 2026-09-16 03:35:54
148.105.14.0/24 13,739 2026-09-16 03:35:54
148.105.255.0/24 13,737 2026-09-16 03:35:54
148.105.13.0/24 13,730 2026-09-16 03:35:54
148.105.8.0/24 13,725 2026-09-16 03:35:54
148.105.11.0/24 13,720 2026-09-16 03:35:54
148.105.15.0/24 13,719 2026-09-16 03:35:54
198.2.187.0/24 13,500 2026-09-16 03:50:46
198.2.136.0/24 13,466 2026-09-16 03:50:46
198.2.186.0/24 13,461 2026-09-16 03:50:46
198.2.185.0/24 13,453 2026-09-16 03:50:46
198.2.190.0/24 13,447 2026-09-16 03:50:46
198.2.137.0/24 13,444 2026-09-16 03:50:46
198.2.175.0/24 13,443 2026-09-16 03:50:46
198.2.139.0/24 13,436 2026-09-16 03:50:46
198.2.184.0/24 13,435 2026-09-16 03:50:46
198.2.138.0/24 13,421 2026-09-16 03:50:46
198.2.174.0/24 13,408 2026-09-16 03:50:46

Showing top 50 of 65 announced prefixes by sample volume.

Frequently Asked Questions

What is AS14782?

AS14782 is an Autonomous System Number assigned to MailChimp. 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 AS14782 announce?

AS14782 announces 25.1K IPv4 addresses distributed across 31 routed CIDR prefixes. The network is registered in United States.

Who operates AS14782?

AS14782 is operated by MailChimp. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS14782 registered in?

AS14782 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: 2026-09-16 04:09:06 UTC
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