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AS3356

AS3356 is Level 3 Communications, Inc..

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (3 Nov 2026)

Short answer

AS3356 belongs to Level 3 Communications, Inc.. DB-IP Lite attributes 27,443,972 IPv4 addresses in 1,964 ranges and 47 IPv6 ranges to it, 91% of the IPv4 space in United States. The number is registered with ARIN in United States on 10 Mar 2000.

Facts for AS3356
Operator (DB-IP)Level 3 Communications, Inc.
IPv4 addresses27,443,972
IPv4 ranges1,964
IPv6 ranges47
RegistryARIN
Registered10 Mar 2000
Registry countryUnited States (US)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Level 3 Communications, Inc. hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 47 IPv6 ranges for AS3356, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US91%
CA6%
GB1%
DE0.25%
JP0.20%
BR0.13%
NL0.12%
FR0.11%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
4.0.0.0 – 4.19.11.2554.0.0.0/12, 4.16.0.0/15 …1,248,256
4.19.14.0 – 4.34.11.2554.19.14.0/23, 4.19.16.0/20 …982,528
4.34.14.0 – 4.35.68.2554.34.14.0/23, 4.34.16.0/20 …79,616
4.35.70.0 – 4.39.98.2554.35.70.0/23, 4.35.72.0/21 …269,568
4.39.100.0 – 4.75.131.2554.39.100.0/22, 4.39.104.0/21 …2,367,488
4.75.133.0 – 4.127.255.2554.75.133.0/24, 4.75.134.0/23 …3,439,360
5.252.72.0 – 5.252.72.2555.252.72.0/24256
8.0.0.0 – 8.2.16.2558.0.0.0/15, 8.2.0.0/20 …135,424
8.2.19.0 – 8.2.67.2558.2.19.0/24, 8.2.20.0/22 …12,544
8.2.73.0 – 8.2.78.2558.2.73.0/24, 8.2.74.0/23 …1,536
8.2.80.0 – 8.2.95.2558.2.80.0/204,096
8.2.97.0 – 8.2.103.2558.2.97.0/24, 8.2.98.0/23 …1,792
8.2.106.0 – 8.2.107.2558.2.106.0/23512
8.2.112.0 – 8.2.117.2558.2.112.0/22, 8.2.116.0/231,536
8.2.120.0 – 8.2.129.2558.2.120.0/21, 8.2.128.0/232,560
8.2.136.0 – 8.2.143.2558.2.136.0/212,048
8.2.148.0 – 8.2.175.2558.2.148.0/22, 8.2.152.0/21 …7,168
8.2.178.0 – 8.2.183.2558.2.178.0/23, 8.2.180.0/221,536
8.2.188.0 – 8.2.191.2558.2.188.0/221,024
8.2.196.0 – 8.2.196.2558.2.196.0/24256
8.2.198.0 – 8.2.207.2558.2.198.0/23, 8.2.200.0/212,560
8.2.224.0 – 8.2.224.2558.2.224.0/24256
8.2.226.0 – 8.3.2.2558.2.226.0/23, 8.2.228.0/22 …8,448
8.3.4.0 – 8.3.27.2558.3.4.0/22, 8.3.8.0/21 …6,144
8.3.29.0 – 8.3.47.2558.3.29.0/24, 8.3.30.0/23 …4,864
8.3.52.0 – 8.3.53.2558.3.52.0/23512
8.3.56.0 – 8.3.63.2558.3.56.0/212,048
8.3.66.0 – 8.3.71.2558.3.66.0/23, 8.3.68.0/221,536
8.3.73.0 – 8.3.79.2558.3.73.0/24, 8.3.74.0/23 …1,792
8.3.96.0 – 8.3.111.2558.3.96.0/204,096
8.3.128.0 – 8.3.216.2558.3.128.0/18, 8.3.192.0/20 …22,784
8.3.218.0 – 8.3.221.2558.3.218.0/23, 8.3.220.0/231,024
8.3.224.0 – 8.3.229.2558.3.224.0/22, 8.3.228.0/231,536
8.3.232.0 – 8.3.233.2558.3.232.0/23512
8.3.235.0 – 8.3.241.2558.3.235.0/24, 8.3.236.0/22 …1,792
8.3.243.0 – 8.3.247.2558.3.243.0/24, 8.3.244.0/221,280
8.3.249.0 – 8.3.251.2558.3.249.0/24, 8.3.250.0/23768
8.3.253.0 – 8.4.24.2558.3.253.0/24, 8.3.254.0/23 …7,168
8.4.26.0 – 8.4.31.2558.4.26.0/23, 8.4.28.0/221,536
8.4.33.0 – 8.4.37.2558.4.33.0/24, 8.4.34.0/23 …1,280
8.4.39.0 – 8.4.119.2558.4.39.0/24, 8.4.40.0/21 …20,736
8.4.124.0 – 8.4.162.2558.4.124.0/22, 8.4.128.0/19 …9,984
8.4.164.0 – 8.4.223.2558.4.164.0/22, 8.4.168.0/21 …15,360
8.4.227.0 – 8.4.230.2558.4.227.0/24, 8.4.228.0/23 …1,024
8.4.232.0 – 8.5.4.2558.4.232.0/21, 8.4.240.0/20 …7,424
8.5.6.0 – 8.5.35.2558.5.6.0/23, 8.5.8.0/21 …7,680
8.5.37.0 – 8.5.129.2558.5.37.0/24, 8.5.38.0/23 …23,808
8.5.131.0 – 8.5.241.2558.5.131.0/24, 8.5.132.0/22 …28,416
8.5.244.0 – 8.5.249.2558.5.244.0/22, 8.5.248.0/231,536
8.5.254.0 – 8.6.8.2558.5.254.0/23, 8.6.0.0/21 …2,816
2001:428:5805:: – 2001:428:5805:ffff:ffff:ffff:ffff:ffff2001:428:5805::/48IPv6
2001:428:6400:: – 2001:428:6400:ffff:ffff:ffff:ffff:ffff2001:428:6400::/48IPv6
2001:13b0:8021:: – 2001:13b0:8021:ffff:ffff:ffff:ffff:ffff2001:13b0:8021::/48IPv6
2001:13b0:a031:: – 2001:13b0:a031:ffff:ffff:ffff:ffff:ffff2001:13b0:a031::/48IPv6
2001:13b0:a301:: – 2001:13b0:a301:ffff:ffff:ffff:ffff:ffff2001:13b0:a301::/48IPv6
2001:13b0:b900:: – 2001:13b0:b900:ffff:ffff:ffff:ffff:ffff2001:13b0:b900::/48IPv6
2001:13b2:: – 2001:13b2:801e:ffff:ffff:ffff:ffff:ffff2001:13b2::/33IPv6
2001:13b2:8020:: – 2001:13b2:8044:ffff:ffff:ffff:ffff:ffff2001:13b2:8020::/43IPv6
2001:13b2:8046:: – 2001:13b3:9:ffff:ffff:ffff:ffff:ffff2001:13b2:8046::/47IPv6
2001:13b3:b:: – 2001:13b3:bfff:ffff:ffff:ffff:ffff:ffff2001:13b3:b::/48IPv6
2001:13b4:: – 2001:13b4:4008:ffff:ffff:ffff:ffff:ffff2001:13b4::/34IPv6
2001:13b4:400a:: – 2001:13b4:ffff:ffff:ffff:ffff:ffff:ffff2001:13b4:400a::/47IPv6
2001:1900:: – 2001:1900:2027:ffff:ffff:ffff:ffff:ffff2001:1900::/35IPv6
2001:1900:2029:: – 2001:1900:2209:ffff:ffff:ffff:ffff:ffff2001:1900:2029::/48IPv6
2001:1900:220b:: – 2001:1900:2245:ffff:ffff:ffff:ffff:ffff2001:1900:220b::/48IPv6
2001:1900:2247:: – 2001:1900:225c:ffff:ffff:ffff:ffff:ffff2001:1900:2247::/48IPv6
2001:1900:225e:: – 2001:1900:2267:ffff:ffff:ffff:ffff:ffff2001:1900:225e::/47IPv6
2001:1900:2269:: – 2001:1900:2283:ffff:ffff:ffff:ffff:ffff2001:1900:2269::/48IPv6
2001:1900:2285:: – 2001:1900:3011:ffff:ffff:ffff:ffff:ffff2001:1900:2285::/48IPv6
2001:1900:3013:: – 2001:1900:ffff:ffff:ffff:ffff:ffff:ffff2001:1900:3013::/48IPv6
Showing 50 of 1,964 IPv4 and 20 of 47 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 4 Nov 2026