63.128.20.0/24

AS203 · Level 3 Parent, LLC

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Summary

Country	United States
Domain	blackbaud.com
ASN	AS203
Parent Range	63.128.0.0/15
Registry	ARIN
ID	SAVV-S259964-23

WHOIS Details

NetHandle:      NET-63-128-20-0-1
OrgID:          BLACK-154
Parent:         NET-63-128-0-0-2
NetName:        SAVV-S259964-23
NetRange:       63.128.20.0 - 63.128.20.255
NetType:        reallocation
RegDate:        2013-04-01
Updated:        2013-04-01
Source:         ARIN


OrgID:          BLACK-154
OrgName:        Blackbaud, Inc.
CanAllocate:    
Street:         2000 Daniel Island Drive
Street:         ATTN Accounts Payable
City:           Charleston
State/Prov:     SC
Country:        US
PostalCode:     29492
RegDate:        2013-04-01
Updated:        2013-04-01
OrgAdminHandle: LUDWI12-ARIN
OrgTechHandle:  LUDWI12-ARIN
OrgAbuseHandle: LUDWI12-ARIN
Source:         ARIN


POCHandle:      LUDWI12-ARIN
IsRole:         N
LastName:       Ludwig
FirstName:      Kevin
Street:         2000 Daniel Island Drive
Street:         ATTN Accounts Payable
City:           Charleston
State/Prov:     SC
Country:        US
PostalCode:     29492
RegDate:        2013-04-01
Updated:        2013-04-01
OfficePhone:    +1-858-795-3190
Mailbox:        Kevin.Ludwig@kintera.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 63.128.20.0/24

Range	ASN	Company	Num of IPs
63.128.0.0/15	AS203	CenturyLink Communications, LLC	131,072
63.128.0.0/15	AS30031	CenturyLink Communications, LLC	131,072
63.128.0.0/15	AS3561	CenturyLink Communications, LLC	131,072

Nearby Ranges

BGP prefixes that overlap with 63.128.0.0/16

Range	ASN	Company	Num of IPs
63.128.0.0/15	AS30031	CenturyLink Communications, LLC	131,072
63.128.0.0/15	AS203	CenturyLink Communications, LLC	131,072
63.128.0.0/15	AS3561	CenturyLink Communications, LLC	131,072
63.128.8.0/22	AS203	Blackbaud, Inc.	1,024
63.128.0.0/22	AS203	Blackbaud, Inc.	1,024
63.128.34.0/23	AS46263	Zeta Interactive	512
63.128.7.0/24	AS203	Blackbaud, Inc.	256
63.128.130.0/24	AS22013	Guardian Analytics, Inc.	256
63.128.170.0/24	AS22013	Guardian Analytics	256
63.128.12.0/24	AS203	Blackbaud, Inc.	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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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
35.134.15.136	AS20115 Charter Communications LLC	`9.11ms` from Ashburn, US
184.54.45.152	AS10796 Charter Communications Inc	`11.70ms` from Columbus, US
18.217.223.72	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
154.218.118.40	AS134548 DXTL Tseung Kwan O Service	`0.77ms` from Hong Kong, HK
86.136.214.104	AS2856 British Telecommunications PLC	`1.82ms` from London, GB
90.119.117.184	AS3215 Orange S.A.	`4.08ms` from Marseille, FR
13.203.198.56	AS16509 Amazon.com, Inc.	`0.41ms` from Mumbai, IN
73.193.168.136	AS7922 Comcast Cable Communications, LLC	`6.50ms` from New York City, US
64.187.122.72	AS397799 Seminole County Clerk of Courts and Comptroller	`7.05ms` from Orlando, US
133.175.155.152	AS2519 ARTERIA Networks Corporation	`5.37ms` from Osaka, JP
91.175.206.168	AS12322 Free SAS	`2.98ms` from Paris, FR
39.85.142.24	AS4837 CHINA UNICOM China169 Backbone	`7.31ms` from Qingdao, CN
123.213.201.168	AS9318 SK Broadband Co Ltd	`1.87ms` from Seoul, KR
60.189.113.168	AS4134 CHINANET-BACKBONE	`9.89ms` from Shanghai, CN
208.127.212.88	AS394089 Google LLC	`1.02ms` from Singapore, SG
62.198.57.248	AS3308 Telia Company AB	`9.37ms` from Skanderborg, DK
120.4.157.104	AS4837 CHINA UNICOM China169 Backbone	`6.68ms` from Tianjin, CN
35.92.142.136	AS16509 Amazon.com, Inc.	`0.11ms` from Boardman, US
119.50.50.56	AS4837 CHINA UNICOM China169 Backbone	`7.80ms` from Changchun, CN
216.68.247.24	AS6181 Cincinnati Bell Telephone Company LLC	`0.85ms` from Cincinnati, US
12.71.73.24	AS7018 AT&T Enterprises, LLC	`0.79ms` from Dallas, US
88.75.109.248	AS3209 Vodafone GmbH	`8.14ms` from Hamburg, DE
70.124.221.200	AS11427 Charter Communications Inc	`8.92ms` from Houston, US
185.14.23.8	AS51540 DAL Bilgi Teknolojileri ve Bilisim Sistemleri Ticaret A.S.	`0.37ms` from Istanbul, TR
105.247.12.216	AS36994 Vodacom	`3.42ms` from Johannesburg, ZA

Traceroute

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

traceroute -a -n -q1 -f5 -m9 63.128.20.177

traceroute to 63.128.20.177 (63.128.20.177): 9 hops max, 52 byte packets

5 [AS174] 66.28.4.142 1.281 ms

6 [AS174] 154.54.168.5 3.958 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Buffalo, US

On November 14th 2025

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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