AS27370 - CITYOFBOSTON - City of Boston, US

United States
AS Number
AS27370
AS Name
CITYOFBOSTON
Org Name
City of Boston
Country / Region
United States
Registry

arin

RegDate

1999-07-20

Updated

2026-07-15

AS27370 Looking Glass
IPv4Prefixes

14

IPv6Prefixes

0

IPv4 NUMs

70,144

IPv6 NUMs(/64)

0

CIDR Description IP Num
140.241.0.0/16
IRR Valid
City of Boston 65536
140.241.3.0/24
IRR Valid
City of Boston 256
140.241.14.0/24
IRR Parent Valid
City of Boston 256
140.241.25.0/24
IRR Valid
City of Boston 256
140.241.86.0/24
IRR Valid
City of Boston 256
140.241.244.0/24
IRR Parent Valid
City of Boston 256
140.241.250.0/24
IRR Valid
City of Boston 256
192.80.65.0/24
IRR Valid
Boston Public Library 256
204.167.88.0/24
IRR InValid
Boston Public Library 256
216.163.208.0/21
IRR InValid
Boston Public Schools 2048
216.163.208.0/20
IRR InValid
Boston Public Schools 4096
216.163.216.0/22
IRR InValid
Boston Public Schools 1024
216.163.216.0/21
IRR InValid
Boston Public Schools 2048
216.163.220.0/22
IRR InValid
Boston Public Schools 1024
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2734 CORESITE - CoreSite, US United States 48,896 7,248,347,136 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4
AS27552 TWDX - TowardEX Technologies International, Inc., US United States 14,336 4,580,179,968 IPv4 IPv4
AS46887 ZAYO-CCF-AS46887 - Zayo Bandwidth, US United States 862,976 17,180,327,936 IPv4 IPv4
AS54004 LIGHTPATH - Cablevision Lightpath LLC, US United States 385,024 4,294,967,296 IPv4 IPv4
AS293 ESNET - ESnet, US United States 140,800 4,295,163,904 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
United States MASS-IX - MASS IX, Boston/Massachusetts Internet Exchange 206.53.143.73 2001:504:47::6aea:0:1 10 Gbps 2022-03-10 17:52:06

Private Peering Facilities

Country / Region Name City Website Updated 
ASNumber:       27370
ASName:         CITYOFBOSTON
ASHandle:       AS27370
RegDate:        2003-02-21
Updated:        2024-05-03
Ref:            https://rdap.arin.net/registry/autnum/27370

OrgID:          CITYOF-198
OrgName:        City of Boston
CanAllocate:    
Street:         1 CITY HALL SQ, RM 703
City:           BOSTON
State/Prov:     MA
Country:        US
PostalCode:     02201
Comment:        http://www.boston.gov/
RegDate:        1999-07-20
Updated:        2026-07-15
OrgRoutingHandle NOC11232-ARIN
OrgDNSHandle    HOSTM1518-ARIN
OrgAdminHandle  NOC11232-ARIN
OrgTechHandle   HOSTM1518-ARIN
OrgTechHandle   NOC11232-ARIN
OrgAbuseHandle  NOC11232-ARIN
OrgNOCHandle    NOC11232-ARIN
Source:         ARIN

OrgNOCHandleHandle:  NOC11232-ARIN
OrgNOCHandleName:    NOC, 
OrgNOCHandlePhone:   +1-617-635-2342
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN

OrgRoutingHandleHandle:  NOC11232-ARIN
OrgRoutingHandleName:    NOC, 
OrgRoutingHandlePhone:   +1-617-635-2342
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN

OrgDNSHandleHandle:  HOSTM1518-ARIN
OrgDNSHandleName:    Hostmaster, 
OrgDNSHandlePhone:   +1-617-635-3594
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/HOSTM1518-ARIN

OrgAdminHandleHandle:  NOC11232-ARIN
OrgAdminHandleName:    NOC, 
OrgAdminHandlePhone:   +1-617-635-2342
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN

OrgTechHandleHandle:  HOSTM1518-ARIN
OrgTechHandleName:    Hostmaster, 
OrgTechHandlePhone:   +1-617-635-3594
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/HOSTM1518-ARIN

OrgTechHandleHandle:  NOC11232-ARIN
OrgTechHandleName:    NOC, 
OrgTechHandlePhone:   +1-617-635-2342
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN

OrgAbuseHandleHandle:  NOC11232-ARIN
OrgAbuseHandleName:    NOC, 
OrgAbuseHandlePhone:   +1-617-635-2342
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN

RTechHandleHandle:  NOC11232-ARIN
RTechHandleName:    NOC, 
RTechHandlePhone:   +1-617-635-2342
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN

RAbuseHandleHandle:  NOC11232-ARIN
RAbuseHandleName:    NOC, 
RAbuseHandlePhone:   +1-617-635-2342
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN

RNOCHandleHandle:  NOC11232-ARIN
RNOCHandleName:    NOC, 
RNOCHandlePhone:   +1-617-635-2342
RNOCHandleEmail:   [email protected]
RNOCHandleRef:     https://rdap.arin.net/registry/entity/NOC11232-ARIN