208.121.1.0/24

AS39961  ·  San Francisco Department of Telecommunications and Information Services

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Summary

Country United States
Domain sf.gov
ASN AS39961
Registry ARIN
ID CCSF

WHOIS Details

NetHandle:      NET-208-121-0-0-1
OrgID:          SFDTIS
Parent:         NET-208-0-0-0-0
NetName:        CCSF
NetRange:       208.121.0.0 - 208.121.255.255
NetType:        allocation
Comment:        Contact: dt.ops@sfgov.org Standard NOC hours are: 8:00
Comment:        a.m to 5:00 p.m. PST Business days. 415-581-7100
RegDate:        2006-05-11
Updated:        2021-12-14
Source:         ARIN


OrgID:          SFDTIS
OrgName:        San Francisco Department of Telecommunications and Information Services
CanAllocate:    
Street:         One South Van Ness Avenue
Street:         2nd Floor
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94103
Comment:        Contact dt.ops@sfgov.org, 1-628-652-5100
RegDate:        2005-06-14
Updated:        2024-11-05
OrgAdminHandle: GRY9-ARIN
OrgTechHandle:  BELLB45-ARIN
OrgTechHandle:  GRY9-ARIN
OrgAbuseHandle: DTSEC-ARIN
OrgNOCHandle:   NOC3189-ARIN
Source:         ARIN


POCHandle:      DTSEC-ARIN
IsRole:         Y
LastName:       DT Security
FirstName:      
Street:         1 South Van Ness Avenue
Street:         #250
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94103
RegDate:        2015-10-05
Updated:        2025-05-17
OfficePhone:    +1-628-652-5000
Mailbox:        cyberdefense@sfgov.org
Source:         ARIN


POCHandle:      NOC3189-ARIN
IsRole:         Y
LastName:       Network Operations Center
FirstName:      
Street:         One South Van Ness
Street:         2nd Floor
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94103
RegDate:        2008-08-01
Updated:        2024-04-18
OfficePhone:    +1-415-581-7170
Mailbox:        dt.ops@sfgov.org
Source:         ARIN


POCHandle:      BELLB45-ARIN
IsRole:         N
LastName:       Bell
FirstName:      Bradley
Street:         1 South Van Ness Ave, 2nd Floor
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94103
RegDate:        2023-04-21
Updated:        2025-07-14
OfficePhone:    +1-949-216-0013
Mailbox:        brad.bell@sfgov.org
Source:         ARIN


POCHandle:      GRY9-ARIN
IsRole:         N
LastName:       Ybanez
FirstName:      Glacier
Street:         One South Van Ness Avenue
Street:         2nd floor
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94103
RegDate:        2011-06-13
Updated:        2025-03-04
OfficePhone:    +1-415-716-8419
Mailbox:        glacier.ybanez@sf.gov
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 208.121.0.0/16

No nearby ranges found.

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

Pingable IPs

2 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
208.121.1.251 AS39961 San Francisco Department of Telecommunications and Information Services 5.44ms from San Jose, US

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
52.174.127.56 AS8075 Microsoft Corporation 0.29ms from Amsterdam, NL
20.86.236.232 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
103.4.217.120 AS63940 dragonhispeed 1.25ms from Bangkok, TH
154.8.138.184 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.89ms from Beijing, CN
47.187.221.104 AS5650 Frontier Communications of America, Inc. 2.32ms from Dallas, US
87.156.37.184 AS3320 Deutsche Telekom AG 4.94ms from Frankfurt am Main, DE
117.6.131.40 AS7552 Viettel Group 1.09ms from Hanoi, VN
62.205.151.136 AS8772 NLineLLC 0.51ms from Kyiv, UA
72.21.176.200 AS14717 EZE Castle Integration Inc. 7.92ms from New York City, US
52.97.34.136 AS8075 Microsoft Corporation 0.41ms from Sao Paulo, BR
83.22.118.136 AS5617 Orange Polska Spolka Akcyjna 6.88ms from Warsaw, PL
99.23.153.184 AS7018 AT&T Enterprises, LLC 10.37ms from Columbus, US
104.79.90.216 AS16625 Akamai Technologies, Inc. 0.27ms from Frankfurt am Main, DE
84.250.237.248 AS1759 Telia Finland Oyj 1.07ms from Helsinki, FI
176.240.9.104 AS47524 Turksat Uydu Haberlesme ve Kablo TV Isletme A.S. 16.33ms from Istanbul, TR
154.64.138.168 AS59538 UPSTREAM NETWORK LTD 0.29ms from London, GB
89.243.170.72 AS13285 TalkTalk Communications Limited 6.99ms from Manchester, GB
74.76.102.232 AS11351 Charter Communications Inc 11.16ms from New York City, US
45.55.124.120 AS14061 DigitalOcean, LLC 0.45ms from New York City, US
50.204.120.200 AS397030 Hilton Worldwide Holdings Inc 2.79ms from San Jose, US
212.60.35.152 AS15600 Quickline AG 0.66ms from Zuerich, CH
2.49.20.248 AS5384 Emirates Internet 4.11ms from Al Fujairah City, AE
143.177.114.120 AS50266 Odido Netherlands B.V. 3.07ms from Amsterdam, NL
62.156.0.56 AS3320 Deutsche Telekom AG 4.38ms from Berlin, DE
197.121.193.248 AS36992 ETISALAT MISR 10.07ms from Cairo, EG

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f3 208.121.1.253
traceroute to 208.121.1.253 (208.121.1.253): 64 hops max, 52 byte packets
4 [AS39961] 208.121.1.253 29.726 ms
Measurement taken from IPinfo ProbeNet in Salt Lake City, US
On

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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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