12.204.206.0/24

AS19957 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	nettn.org
ASN	AS19957
Parent Range	12.204.192.0/20
Registry	ARIN
ID	12-204-192-0-20

WHOIS Details

NetHandle:      NET-12-204-192-0-1
OrgID:          ST-1700
Parent:         NET-12-0-0-0-1
NetName:        12-204-192-0-20
NetRange:       12.204.192.0 - 12.204.207.255
NetType:        reassignment
OriginAS:       16473, 19956, 19957
RegDate:        2025-02-12
Updated:        2025-02-12
Source:         ARIN


OrgID:          ST-1700
OrgName:        STATE OF TENNESSEE-NETTN
CanAllocate:    
Street:         333 Commerce Street
City:           Nashville
State/Prov:     TN
Country:        US
PostalCode:     37201
RegDate:        2025-01-31
Updated:        2025-02-13
OrgAdminHandle: RANGE97-ARIN
OrgTechHandle:  RANGE97-ARIN
OrgAbuseHandle: RANGE97-ARIN
OrgRoutingHandle:   RANGE97-ARIN
Source:         ARIN


POCHandle:      RANGE97-ARIN
IsRole:         N
LastName:       Range
FirstName:      Tim
Street:         12976 Hollenberg Drive
City:           Bridgeton
State/Prov:     MO
Country:        US
PostalCode:     63044
RegDate:        2025-01-31
Updated:        2025-01-31
OfficePhone:    +1-618-210-7255
Mailbox:        tr1525@att.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 12.204.206.0/24

Range	ASN	Company	Num of IPs
12.204.192.0/20	AS19957	STATE OF TENNESSEE-NETTN	4,096
12.0.0.0/8	AS109	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS11219	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS12169	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS13457	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS13624	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS13641	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS13750	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS13938	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS14528	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS14561	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS14792	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS14858	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS15007	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS15343	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS16571	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS16618	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS16914	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS17030	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS17058	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS17242	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS18961	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS19111	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS20034	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS20217	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS20242	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS21569	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS22040	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS22065	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS22234	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS22260	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS23087	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS23349	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS23453	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS23521	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS2386	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS25932	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS27195	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS29767	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS30520	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS31921	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS32672	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS32892	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS33233	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS36111	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS36136	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS393469	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS393505	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS393691	AT&T Enterprises, LLC	16,777,216
12.0.0.0/8	AS394733	AT&T Enterprises, LLC	16,777,216

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
97.153.123.248	AS6167 Verizon Business	`10.35ms` from Ashburn, US
95.69.121.216	AS42863 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	`13.18ms` from Braga, PT
84.1.222.184	AS5483 Magyar Telekom Plc.	`1.27ms` from Budapest, HU
99.120.195.72	AS7018 AT&T Enterprises, LLC	`9.61ms` from Chicago, US
129.204.33.40	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.93ms` from Guangzhou, CN
113.181.161.56	AS45899 VNPT Corp	`4.24ms` from Hanoi, VN
146.200.31.24	AS6871 Plusnet	`9.80ms` from London, GB
151.84.172.24	AS1267 WIND TRE S.P.A.	`4.14ms` from Milan, IT
192.206.50.8	AS11232 Midcontinent Communications	`8.60ms` from Minneapolis, US
216.209.50.216	AS577 Bell Canada	`3.85ms` from Montreal, CA
72.184.41.24	AS33363 Charter Communications, Inc	`4.83ms` from Orlando, US
58.169.17.232	AS1221 Telstra Limited	`1.61ms` from Perth, AU
45.41.183.152	AS33307 Hospitality Integrated Services Inc	`4.96ms` from Phoenix, US
189.157.22.88	AS8151 UNINET	`17.43ms` from Santiago de Queretaro, MX
115.236.126.104	AS58461 CT-HangZhou-IDC	`4.14ms` from Shanghai, CN
1.33.34.88	AS2514 NTT PC Communications, Inc.	`5.88ms` from Tokyo, JP
124.212.1.24	AS2516 KDDI CORPORATION	`7.22ms` from Tokyo, JP
197.0.145.24	AS37705 TOPNET	`1.53ms` from Tunis, TN
59.175.55.72	AS4134 CHINANET-BACKBONE	`2.76ms` from Wuhan, CN
186.114.99.72	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`5.24ms` from Bogota, CO
108.65.115.88	AS7018 AT&T Enterprises, LLC	`8.15ms` from Dallas, US
70.139.133.24	AS7018 AT&T Enterprises, LLC	`7.29ms` from Dallas, US
52.212.116.136	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
52.31.46.72	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
73.115.137.216	AS7922 Comcast Cable Communications, LLC	`8.74ms` from Houston, US

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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