IPv4 Transfers August 2019

In August 2019, the five Regional Internet Registries recorded 861 transfers: 4,088,768 IPv4 addresses in 711 blocks, plus 48 IPv6 blocks and 102 AS numbers. 47 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred

4.1M

711 IPv4 blocks

Registry transfers

861

48 IPv6 / 102 ASN

Inter-RIR transfers

295K IPv4 addresses (7%)

Mergers and acquisitions

368

493 market transfers

Transfer Volume by RIR

Transfers counted at the receiving registry. Inter-RIR columns show IPv4 that entered or left the region.

Transfers per Regional Internet Registry, August 2019
Registry	Transfers	IPv4 received	Inter-RIR in	Inter-RIR out
RIPE NCC	566	2,201,024	106,496	47,104
ARIN	230	1,120,512	26,880	243,712
APNIC	56	495,872	161,792	4,352
AFRINIC	6	262,144	-	-
LACNIC	3	9,216	-	-

Inter-RIR Transfers August 2019

IPv4 addresses moved from one registry to another. All inter-RIR transfers

IPv4 addresses transferred between Regional Internet Registries
From ↓ / To →	RIPE NCC	ARIN	APNIC	LACNIC	AFRINIC
RIPE NCC	-	23K 25 transfers	25K 5 transfers	0	0
ARIN	106K 7 transfers	-	137K 7 transfers	0	0
APNIC	0	4,352 3 transfers	-	0	0
LACNIC	0	0	0	-	0
AFRINIC	0	0	0	0	-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, August 2019
Prefix length	Addresses per block	Blocks	Share of blocks	IPv4 addresses
/15	131,072	5	0.7%	655,360
/16	65,536	23	3.2%	1,507,328
/17	32,768	17	2.4%	557,056
/18	16,384	21	3.0%	344,064
/19	8,192	37	5.2%	303,104
/20	4,096	57	8.0%	233,472
/21	2,048	91	12.8%	186,368
/22	1,024	190	26.7%	194,560
/23	512	151	21.2%	77,312
/24	256	117	16.5%	29,952
/25	128	1	0.1%	128
/26	64	1	0.1%	64

Top Receiving Countries

Top Source Countries

IPv4 transferred across country borders in August 2019. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers August 2019

91.100.0.0/15M&A · 2019-08-30
Arrowhead A/S
RIPE NCC
→
DANSK KABEL TV A/S
RIPE NCC
87.72.0.0/15M&A · 2019-08-29
ComX Networks A/S
RIPE NCC
→
DANSK KABEL TV A/S
RIPE NCC
188.158.0.0/15Transfer · 2019-08-19
Neda Gostar Saba Data Transfer Company Private Joint Stock
RIPE NCC
→
Parvaresh Dadeha Co. Private Joint Stock
RIPE NCC
49.2.0.0/15Transfer · 2019-08-06
vividwireless Pty Ltd.
🇦🇺 AU APNIC
→
Optus Internet Pty Ltd
🇦🇺 AU APNIC
94.114.0.0/15Transfer · 2019-08-01
UPC Ceska Republica, s.r.o.
RIPE NCC
→
Unitymedia NRW GmbH
RIPE NCC
195.227.0.0/16M&A · 2019-08-23
CANCOM Pironet AG & Co. KG
RIPE NCC
→
CANCOM Managed Services GmbH
RIPE NCC
159.250.0.0/16M&A · 2019-08-22
Solution by Computer
🇺🇸 US ARIN
→
Trapeze Software ULC
🇨🇦 CA ARIN
155.190.0.0/16inter-RIRTransfer · 2019-08-22
Miles 33
🇺🇸 US ARIN
→
Cisco OpenDNS LLC
RIPE NCC
152.108.0.0/16M&A · 2019-08-21
Transnet
🇿🇦 ZA AFRINIC
→
Liquid Telecommunications Operations Limited
🇲🇺 MU AFRINIC
167.138.0.0/16M&A · 2019-08-21
WACHOVIA CORP
🇺🇸 US ARIN
→
Wells Fargo & Company
🇺🇸 US ARIN
168.175.0.0/16M&A · 2019-08-21
WACHOVIA CORP
🇺🇸 US ARIN
→
Wells Fargo & Company
🇺🇸 US ARIN
169.200.0.0/16M&A · 2019-08-21
WACHOVIA CORP
🇺🇸 US ARIN
→
Wells Fargo & Company
🇺🇸 US ARIN
62.223.0.0/16Transfer · 2019-08-20
Coolwave Communications B.V.
RIPE NCC
→
Coolwave Communications Limited
RIPE NCC
62.222.0.0/16Transfer · 2019-08-20
Coolwave Communications B.V.
RIPE NCC
→
Coolwave Communications Limited
RIPE NCC
151.167.0.0/16M&A · 2019-08-16
A.G. Edwards & Sons Inc.
🇺🇸 US ARIN
→
Wells Fargo & Company
🇺🇸 US ARIN
159.45.0.0/16M&A · 2019-08-16
A.G. Edwards & Sons Inc.
🇺🇸 US ARIN
→
Wells Fargo & Company
🇺🇸 US ARIN
161.231.0.0/16M&A · 2019-08-16
Wachovia Operational Services Corporation
🇺🇸 US ARIN
→
Wells Fargo & Company
🇺🇸 US ARIN
162.111.0.0/16M&A · 2019-08-16
Wachovia Operational Services Corporation
🇺🇸 US ARIN
→
Wells Fargo & Company
🇺🇸 US ARIN
196.8.0.0/16M&A · 2019-08-15
The Standard Bank of South Africa Limited
🇿🇦 ZA AFRINIC
→
The Standard Bank of South Africa (Proprietary) Limited
🇿🇦 ZA AFRINIC
166.85.0.0/16M&A · 2019-08-15
The Standard Bank of South Africa Limited
🇿🇦 ZA AFRINIC
→
The Standard Bank of South Africa (Proprietary) Limited
🇿🇦 ZA AFRINIC
160.117.0.0/16M&A · 2019-08-15
The Standard Bank of South Africa Limited
🇿🇦 ZA AFRINIC
→
The Standard Bank of South Africa (Proprietary) Limited
🇿🇦 ZA AFRINIC
129.227.0.0/16Transfer · 2019-08-15
Zenlayer Network Technologies (Shanghai) Co. Ltd.
🇨🇳 CN APNIC
→
Zenlayer (Singapore) PTE. LTD
🇸🇬 SG APNIC
161.38.0.0/16M&A · 2019-08-15
The Art Institutes International
🇺🇸 US ARIN
→
The Arts Institutes International LLC
🇺🇸 US ARIN
93.110.0.0/16Transfer · 2019-08-12
Laser Company Ltd
RIPE NCC
→
Mobile Communication Company of Iran PLC
RIPE NCC
158.247.0.0/16M&A · 2019-08-09
The McCall Pattern Company
🇺🇸 US ARIN
→
THE MCCALL PATTERN COMPANY Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2019-08-30	91.100.0.0/15	Arrowhead A/S RIPE NCC	DANSK KABEL TV A/S RIPE NCC	M&A
2019-08-29	87.72.0.0/15	ComX Networks A/S RIPE NCC	DANSK KABEL TV A/S RIPE NCC	M&A
2019-08-19	188.158.0.0/15	Neda Gostar Saba Data Transfer Company Private Joint Stock RIPE NCC	Parvaresh Dadeha Co. Private Joint Stock RIPE NCC	Transfer
2019-08-06	49.2.0.0/15	vividwireless Pty Ltd. 🇦🇺 AU APNIC	Optus Internet Pty Ltd 🇦🇺 AU APNIC	Transfer
2019-08-01	94.114.0.0/15	UPC Ceska Republica, s.r.o. RIPE NCC	Unitymedia NRW GmbH RIPE NCC	Transfer
2019-08-23	195.227.0.0/16	CANCOM Pironet AG & Co. KG RIPE NCC	CANCOM Managed Services GmbH RIPE NCC	M&A
2019-08-22	159.250.0.0/16	Solution by Computer 🇺🇸 US ARIN	Trapeze Software ULC 🇨🇦 CA ARIN	M&A
2019-08-22	155.190.0.0/16inter-RIR	Miles 33 🇺🇸 US ARIN	Cisco OpenDNS LLC RIPE NCC	Transfer
2019-08-21	152.108.0.0/16	Transnet 🇿🇦 ZA AFRINIC	Liquid Telecommunications Operations Limited 🇲🇺 MU AFRINIC	M&A
2019-08-21	167.138.0.0/16	WACHOVIA CORP 🇺🇸 US ARIN	Wells Fargo & Company 🇺🇸 US ARIN	M&A
2019-08-21	168.175.0.0/16	WACHOVIA CORP 🇺🇸 US ARIN	Wells Fargo & Company 🇺🇸 US ARIN	M&A
2019-08-21	169.200.0.0/16	WACHOVIA CORP 🇺🇸 US ARIN	Wells Fargo & Company 🇺🇸 US ARIN	M&A
2019-08-20	62.223.0.0/16	Coolwave Communications B.V. RIPE NCC	Coolwave Communications Limited RIPE NCC	Transfer
2019-08-20	62.222.0.0/16	Coolwave Communications B.V. RIPE NCC	Coolwave Communications Limited RIPE NCC	Transfer
2019-08-16	151.167.0.0/16	A.G. Edwards & Sons Inc. 🇺🇸 US ARIN	Wells Fargo & Company 🇺🇸 US ARIN	M&A
2019-08-16	159.45.0.0/16	A.G. Edwards & Sons Inc. 🇺🇸 US ARIN	Wells Fargo & Company 🇺🇸 US ARIN	M&A
2019-08-16	161.231.0.0/16	Wachovia Operational Services Corporation 🇺🇸 US ARIN	Wells Fargo & Company 🇺🇸 US ARIN	M&A
2019-08-16	162.111.0.0/16	Wachovia Operational Services Corporation 🇺🇸 US ARIN	Wells Fargo & Company 🇺🇸 US ARIN	M&A
2019-08-15	196.8.0.0/16	The Standard Bank of South Africa Limited 🇿🇦 ZA AFRINIC	The Standard Bank of South Africa (Proprietary) Limited 🇿🇦 ZA AFRINIC	M&A
2019-08-15	166.85.0.0/16	The Standard Bank of South Africa Limited 🇿🇦 ZA AFRINIC	The Standard Bank of South Africa (Proprietary) Limited 🇿🇦 ZA AFRINIC	M&A
2019-08-15	160.117.0.0/16	The Standard Bank of South Africa Limited 🇿🇦 ZA AFRINIC	The Standard Bank of South Africa (Proprietary) Limited 🇿🇦 ZA AFRINIC	M&A
2019-08-15	129.227.0.0/16	Zenlayer Network Technologies (Shanghai) Co. Ltd. 🇨🇳 CN APNIC	Zenlayer (Singapore) PTE. LTD 🇸🇬 SG APNIC	Transfer
2019-08-15	161.38.0.0/16	The Art Institutes International 🇺🇸 US ARIN	The Arts Institutes International LLC 🇺🇸 US ARIN	M&A
2019-08-12	93.110.0.0/16	Laser Company Ltd RIPE NCC	Mobile Communication Company of Iran PLC RIPE NCC	Transfer
2019-08-09	158.247.0.0/16	The McCall Pattern Company 🇺🇸 US ARIN	THE MCCALL PATTERN COMPANY Inc. 🇺🇸 US ARIN	M&A