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Système Autonome

AS7497

Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)

IPs annoncées
867,840
Préfixes CIDR
26
ASN
AS7497

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.

71/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Academic allocation +6
  • Trust score 71 / 100

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

About CSTNET

CSTNET or China Science and Technology Network offers Internet services to the Chinese education, research, scientific and technical communities, relevant government departments and hi-tech enterprises, providing services such as network access, host trusteeship, virtual host and domain name registration etc. On April 20, 1994, CSTNET launched the first national formal Internet link and this became the earliest direct global connected Internet in the country.

Founded
1996

Network profile

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

Principales plages CIDR

CIDRIPsPTR DensityOrganisationPaysStateCity
49.210.0.0/15 131.1K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
101.252.0.0/15 131.1K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
119.78.0.0/15 131.1K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
124.16.0.0/15 131.1K
0.1%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN Beijing Beijing
223.192.0.0/15 131.1K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
159.226.0.0/16 65.5K
0.9%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN Beijing Beijing
60.245.128.0/17 32.8K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.72.0.0/17 32.8K
0.1%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.72.64.0/18 16.4K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.73.0.0/18 16.4K
0.1%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.72.0.0/19 8.2K
0.5%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.72.128.0/19 8.2K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.75.224.0/19 8.2K
0.4%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.76.192.0/19 8.2K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.77.0.0/19 8.2K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
210.77.64.0/19 8.2K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
113.130.96.0/20 4.1K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
202.127.16.0/20 4.1K
0.2%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
202.127.144.0/20 4.1K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
113.130.112.0/21 2.0K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
202.122.32.0/21 2.0K
31.9%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
202.127.0.0/21 2.0K
0.1%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
202.127.200.0/21 2.0K
2.5%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
203.83.56.0/21 2.0K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
103.2.208.0/22 1.0K
0.0%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN
202.38.128.0/23 512
22.1%
Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS CN

Préfixes BGP annoncés

Anomalies BGP en direct →

Préfixes AS7497 provient réellement du BGP, observé par nos collecteurs RIPE RIS. Cette vue de routage en direct peut différer de l'allocation de registre ci-dessus.

PrefixÉchantillons d'annonceDernière vue
119.78.132.0/22 96,381 2026-07-25 00:46:20
210.72.136.0/24 95,333 2026-07-25 00:46:20
210.72.142.0/24 95,292 2026-07-25 00:46:20
210.72.130.0/24 95,245 2026-07-25 00:46:20
210.72.24.0/24 28,860 2026-07-25 00:46:20
119.78.160.0/22 14,340 2026-07-25 00:46:20
210.73.36.0/24 14,267 2026-07-25 00:46:20
119.78.216.0/24 13,955 2026-07-25 00:46:20
210.75.238.0/24 12,252 2026-07-25 00:46:20
210.73.62.0/23 11,604 2026-07-25 01:08:08
210.72.23.0/24 11,536 2026-07-25 01:08:08
159.226.140.0/23 11,166 2026-07-25 00:46:22
159.226.142.0/24 11,126 2026-07-25 00:46:22
210.75.234.0/24 11,042 2026-07-25 00:46:22
124.16.249.0/24 9,410 2026-07-25 00:46:22
124.16.255.0/24 9,407 2026-07-25 00:46:22
210.77.91.0/24 9,380 2026-07-25 00:46:20
210.73.10.0/24 9,370 2026-07-25 00:46:22
210.72.128.0/24 8,849 2026-07-25 00:46:20
202.127.19.0/24 8,384 2026-07-25 00:46:20
202.127.30.0/23 8,364 2026-07-25 00:46:20
124.16.130.0/23 8,144 2026-07-25 00:46:20
210.75.225.0/24 8,074 2026-07-25 00:46:20
159.226.219.0/24 8,066 2026-07-25 00:46:20
159.226.59.0/24 8,038 2026-07-25 00:46:20
159.226.60.0/24 8,023 2026-07-25 00:46:20
159.226.143.0/24 7,738 2026-07-25 00:46:42
210.73.50.0/24 7,473 2026-07-25 00:46:20
210.75.239.0/24 7,386 2026-07-25 00:46:42
159.226.130.0/24 7,157 2026-07-25 00:46:22
119.78.236.0/22 7,152 2026-07-25 00:46:22
210.72.70.0/23 7,103 2026-07-25 00:46:22
210.72.9.0/24 7,100 2026-07-25 00:46:22
202.127.155.0/24 7,069 2026-07-25 00:46:22
202.127.156.0/24 7,061 2026-07-25 00:46:22
124.16.26.0/23 6,997 2026-07-25 00:46:20
124.16.174.0/23 6,947 2026-07-25 00:46:20
159.226.236.0/23 6,868 2026-07-25 00:46:20
119.78.172.0/23 6,846 2026-07-25 00:46:20
119.78.165.0/24 6,842 2026-07-25 00:46:20
159.226.90.0/23 6,837 2026-07-25 00:46:20
119.78.168.0/22 6,832 2026-07-25 00:46:20
159.226.235.0/24 6,809 2026-07-25 00:46:20
210.73.34.0/24 6,785 2026-07-25 00:46:20
119.78.167.0/24 6,775 2026-07-25 00:46:20
119.78.6.0/24 6,747 2026-07-25 00:46:20
223.193.34.0/24 6,643 2026-07-25 00:46:22
119.78.7.0/24 6,552 2026-07-25 00:46:41
119.78.80.0/23 6,528 2026-07-25 00:46:20
119.78.84.0/23 6,510 2026-07-25 00:46:20

Affichage des meilleurs 50 of 469 préfixes annoncés par volume d'échantillons.

Frequently Asked Questions

Qu'est-ce que l'AS7497 ?

L'AS7497 est un numéro de système autonome attribué à Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS). Un ASN identifie un réseau qui contrôle un ensemble spécifique d'adresses IP et détermine comment le trafic est acheminé sur internet via BGP (Border Gateway Protocol).

Combien d'adresses IP l'AS7497 annonce-t-il ?

L'AS7497 annonce 867.8K adresses IPv4 réparties sur 26 préfixes CIDR routés. Le réseau est enregistré en China.

Qui opère l'AS7497 ?

L'AS7497 est opéré par Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS. L'organisation est basée en China. Vous pouvez consulter toutes les plages IP et les ASN associés sur la page de l'organisation.

Dans quel pays l'AS7497 est-il enregistré ?

L'AS7497 est enregistré en China. Cela indique où le siège de l'opérateur de réseau est situé, bien que les adresses IP qu'il annonce puissent servir des utilisateurs dans le monde entier.

Dernière mise à jour : 2026-07-25 05:40:31 UTC
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