AS Number
AS23528
AS Name
SPARKPOST
Org Name
Bird.com Inc.
Country / Region
United States
Registry

arin

RegDate

2015-12-09

Updated

2025-08-14

AS23528 Looking Glass
IPv4Prefixes

81

IPv6Prefixes

0

IPv4 NUMs

33,536

IPv6 NUMs(/64)

0

CIDR Description IP Num
91.206.59.0/24
IRR Valid
Ometria Ltd 256
137.22.224.0/24
IRR Valid
Braze, inc 256
137.22.225.0/24
IRR Valid
Braze, inc 256
137.22.226.0/24
IRR Valid
Braze, inc 256
137.22.227.0/24
IRR Valid
Braze, inc 256
137.22.228.0/24
IRR Valid
Braze, inc 256
137.22.229.0/24
IRR Valid
Braze, inc 256
137.22.230.0/24
IRR Valid
Braze, inc 256
137.22.231.0/24
IRR Valid
Braze, inc 256
137.22.232.0/24
IRR Valid
Braze, inc 256
137.22.233.0/24
IRR Valid
Braze, inc 256
137.22.234.0/24
IRR Valid
Braze, inc 256
137.22.235.0/24
IRR Valid
Braze, inc 256
137.22.236.0/24
IRR Valid
Braze, inc 256
137.22.237.0/24
IRR Valid
Braze, inc 256
137.22.238.0/24
IRR Valid
Braze, inc 256
137.22.239.0/24
IRR Valid
Braze, inc 256
137.22.240.0/24
IRR Valid
Braze, inc 256
137.22.241.0/24
IRR Valid
Braze, inc 256
137.22.242.0/24
IRR Valid
Braze, inc 256
137.22.243.0/24
IRR Valid
Braze, inc 256
137.22.244.0/24
IRR Valid
Braze, inc 256
137.22.247.0/24
Braze, inc 256
137.22.248.0/24
Braze, inc 256
137.22.249.0/24
Braze, inc 256
137.22.250.0/24
Braze, inc 256
147.160.155.0/24
IRR Valid
Pinterest, Inc. 256
147.253.208.0/20
IRR Valid
Bird.com Inc. 4096
147.253.220.0/23
IRR Valid
Sparkpost 512
147.253.222.0/24
IRR Valid
Sparkpost 256
156.70.2.0/23
IRR Valid
Sparkpost 512
156.70.4.0/23
IRR Valid
Sparkpost 512
156.70.12.0/23
IRR Valid
Bird.com Inc. 512
156.70.16.0/23
IRR Valid
Bird.com Inc. 512
156.70.22.0/23
IRR Valid
Sparkpost 512
156.70.24.0/23
IRR Valid
Sparkpost 512
156.70.34.0/23
IRR Valid
Bird.com Inc. 512
156.70.46.0/23
IRR Valid
Bird.com Inc. 512
156.70.52.0/23
IRR Valid
Bird.com Inc. 512
156.70.62.0/23
IRR Valid
Bird.com Inc. 512
156.70.72.0/24
IRR Valid
Sparkpost 256
156.70.73.0/24
Sparkpost 256
156.70.76.0/23
Bird.com Inc. 512
156.70.88.0/23
IRR Valid
Bird.com Inc. 512
156.70.116.0/23
IRR InValid
Bird.com Inc. 512
156.70.120.0/23
IRR Valid
Bird.com Inc. 512
156.70.150.0/23
IRR Valid
Bird.com Inc. 512
161.129.25.0/24
IRR Valid
Publishing Services, LLC 256
161.129.27.0/24
IRR Valid
Publishing Services, LLC 256
161.199.112.0/24
IRR Valid
NGP VAN, Inc. 256
162.247.166.0/24
IRR Valid
iCIMS 256
162.247.167.0/24
IRR Valid
iCIMS 256
168.203.32.0/23
IRR Valid
Sparkpost 512
168.203.34.0/23
IRR Valid
Sparkpost 512
168.203.36.0/23
IRR Valid
Sparkpost 512
168.203.42.0/23
IRR Valid
Sparkpost 512
168.203.46.0/23
IRR InValid
Sparkpost 512
168.203.48.0/22
IRR InValid
Sparkpost 1024
168.203.52.0/24
IRR InValid
Sparkpost 256
168.203.53.0/24
IRR InValid
Sparkpost 256
192.133.16.0/24
IRR Valid
NGP VAN, Inc. 256
192.158.253.0/24
IRR Valid
Trulia Inc 256
192.174.80.0/20
IRR Valid
Bird.com Inc. 4096
192.174.92.0/24
IRR Valid
Sparkpost 256
192.174.94.0/24
IRR Valid
Sparkpost 256
192.174.95.0/24
IRR Valid
Sparkpost 256
194.28.204.0/23
IRR Valid
Ometria Ltd 512
199.15.224.0/24
IRR Valid
Sparkpost 256
199.15.225.0/24
IRR Valid
Sparkpost 256
199.15.226.0/23
IRR Valid
Sparkpost 512
216.24.61.0/24
IRR Valid
Pinterest, Inc. 256
223.165.112.0/24
IRR Valid
Braze, inc 256
223.165.114.0/24
IRR Valid
Braze, inc 256
223.165.116.0/24
IRR Valid
Braze, inc 256
223.165.117.0/24
IRR Valid
Braze, inc 256
223.165.122.0/24
IRR Valid
Braze, inc 256
223.165.123.0/24
IRR Valid
Braze, inc 256
223.165.124.0/24
IRR Valid
Braze, inc 256
223.165.125.0/24
IRR Valid
Braze, inc 256
223.165.126.0/24
IRR Valid
Braze, inc 256
223.165.127.0/24
IRR Valid
Braze, inc 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1239 COGENT-1239 - Cogent Communications, LLC, US United States 0 210,729,631,744 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,552,448 442,382,745,600 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4
ASNumber:       23528
ASName:         SPARKPOST
ASHandle:       AS23528
RegDate:        2018-04-16
Updated:        2018-04-16
Ref:            https://rdap.arin.net/registry/autnum/23528

OrgID:          MS-820
OrgName:        Bird.com Inc.
CanAllocate:    
Street:         4701 Sangamore Road suite 100N-139
City:           Bethesda
State/Prov:     MD
Country:        US
PostalCode:     20816
RegDate:        2015-12-09
Updated:        2025-08-14
OrgDNSHandle    PARMA32-ARIN
OrgAdminHandle  SEA25-ARIN
OrgTechHandle   MATTR5-ARIN
OrgTechHandle   PARMA32-ARIN
OrgTechHandle   PILLA10-ARIN
OrgAbuseHandle  SEA25-ARIN
OrgNOCHandle    SEA25-ARIN
OrgRoutingHandle PARMA32-ARIN
Source:         ARIN

OrgRoutingHandleHandle:  PARMA32-ARIN
OrgRoutingHandleName:    Parman, Tyler
OrgRoutingHandlePhone:   +1-415-578-5222
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/PARMA32-ARIN

OrgDNSHandleHandle:  PARMA32-ARIN
OrgDNSHandleName:    Parman, Tyler
OrgDNSHandlePhone:   +1-415-578-5222
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/PARMA32-ARIN

OrgAdminHandleHandle:  SEA25-ARIN
OrgAdminHandleName:    SparkPost Elite Abuse, 
OrgAdminHandlePhone:   +1-410-872-4910
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/SEA25-ARIN

OrgTechHandleHandle:  MATTR5-ARIN
OrgTechHandleName:    Mattrat, Felix
OrgTechHandlePhone:   +3000000000
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MATTR5-ARIN

OrgTechHandleHandle:  PARMA32-ARIN
OrgTechHandleName:    Parman, Tyler
OrgTechHandlePhone:   +1-415-578-5222
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/PARMA32-ARIN

OrgTechHandleHandle:  PILLA10-ARIN
OrgTechHandleName:    Pillai, Balasubramania
OrgTechHandlePhone:   +1-410-953-9519
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/PILLA10-ARIN

OrgAbuseHandleHandle:  SEA25-ARIN
OrgAbuseHandleName:    SparkPost Elite Abuse, 
OrgAbuseHandlePhone:   +1-410-872-4910
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/SEA25-ARIN

OrgNOCHandleHandle:  SEA25-ARIN
OrgNOCHandleName:    SparkPost Elite Abuse, 
OrgNOCHandlePhone:   +1-410-872-4910
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/SEA25-ARIN