CIDR Range

97.78.0.0/19

8.2K IPs /19 Charter Communications LLC AS22516 United States ARIN

Addresses

8,192

8.2K

IP Range

97.78.0.0

→ 97.78.31.255

Sub-ranges

50+

within this block

PTR Density

99.9%

8.2K of 8.2K IPs have PTR

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

Baseline (neutral) 65
Active-threat / abuse risk −12
Long-established allocation (19y) +6
Has a reverse-DNS (PTR) record +5
Isp allocation +5
Trust score 69 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 97.78.0.0/19

CIDR	IPs	Organization	ASN	Country
97.78.4.0/22	1.0K	Charter Communications LLC	AS22516	US
97.78.12.0/24	256	Charter Communications LLC	AS22516	US
97.78.15.128/25	128	Charter Communications LLC	AS22516	US
97.78.0.128/25	128	Charter Communications LLC	AS22516	US
97.78.13.128/25	128	Charter Communications LLC	AS22516	US
97.78.14.0/25	128	Charter Communications LLC	AS22516	US
97.78.14.128/25	128	Charter Communications LLC	AS22516	US
97.78.2.128/25	128	Charter Communications LLC	AS22516	US
97.78.3.0/25	128	Charter Communications LLC	AS22516	US
97.78.2.0/26	64	Charter Communications LLC	AS22516	US
97.78.1.0/26	64	Charter Communications LLC	AS22516	US
97.78.19.128/26	64	Charter Communications LLC	AS22516	US
97.78.27.64/26	64	Charter Communications LLC	AS22516	US
97.78.13.64/26	64	Charter Communications LLC	AS22516	US
97.78.21.0/26	64	Charter Communications LLC	AS22516	US
97.78.11.0/26	64	Charter Communications LLC	AS22516	US
97.78.25.0/26	64	Charter Communications LLC	AS22516	US
97.78.24.32/27	32	Charter Communications LLC	AS22516	US
97.78.8.0/27	32	Charter Communications LLC	AS22516	US
97.78.29.128/27	32	Charter Communications LLC	AS22516	US
97.78.3.192/27	32	Charter Communications LLC	AS22516	US
97.78.3.160/27	32	Charter Communications LLC	AS22516	US
97.78.8.96/27	32	Charter Communications LLC	AS22516	US
97.78.15.32/27	32	Charter Communications LLC	AS22516	US
97.78.21.160/27	32	Charter Communications LLC	AS22516	US
97.78.9.224/27	32	Charter Communications LLC	AS22516	US
97.78.22.224/27	32	Charter Communications LLC	AS22516	US
97.78.9.64/27	32	Charter Communications LLC	AS22516	US
97.78.26.96/27	32	Charter Communications LLC	AS22516	US
97.78.30.160/27	32	Charter Communications LLC	AS22516	US
97.78.17.0/27	32	Charter Communications LLC	AS22516	US
97.78.29.96/27	32	Charter Communications LLC	AS22516	US

First and last addresses in 97.78.0.0/19

97.78.0.0/19 runs from 97.78.0.0 to 97.78.31.255.

First 16

97.78.0.0 97.78.0.1 97.78.0.2 97.78.0.3 97.78.0.4 97.78.0.5 97.78.0.6 97.78.0.7 97.78.0.8 97.78.0.9 97.78.0.10 97.78.0.11 97.78.0.12 97.78.0.13 97.78.0.14 97.78.0.15

Last 16

97.78.31.240 97.78.31.241 97.78.31.242 97.78.31.243 97.78.31.244 97.78.31.245 97.78.31.246 97.78.31.247 97.78.31.248 97.78.31.249 97.78.31.250 97.78.31.251 97.78.31.252 97.78.31.253 97.78.31.254 97.78.31.255

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix

97.78.0.0/19

Origin AS

AS33363

⚠ 2 origins (MOAS)

Announcement samples

58,324

Last seen

2026-11-06 01:29:48

Origins seen: AS33363 · 58,324 AS22516 · 2,947

Frequently Asked Questions

What is 97.78.0.0/19?

97.78.0.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 97.78.0.0 to 97.78.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 97.78.0.0/19 network?

The 97.78.0.0/19 range is allocated to Charter Communications LLC and announced via AS22516 from United States.

Last updated: 2026-11-13 08:39:05 UTC