[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews PacWave (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Nov 7 22:40:52 UTC 2024
IPv4 R&E Routing Table Report 22:40 GMT Thu 07 Nov, 2024
IPv4 BGP Table (R&E) as seen at RouteViews PacWave.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PacWave/
Analysis Summary
----------------
BGP routing table entries examined: 31903
Prefixes after maximum aggregation (per Origin AS): 15470
Deaggregation factor: 2.06
Unique aggregates announced (without unneeded subnets): 18474
Total ASes present in the Internet Routing Table: 2857
Prefixes per ASN: 11.17
Origin-only ASes present in the Internet Routing Table: 2477
Origin ASes announcing only one prefix: 1089
Transit ASes present in the Internet Routing Table: 380
Transit-only ASes present in the Internet Routing Table: 57
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 27
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 45796
Number of 32-bit ASNs visible in the Routing Table: 710
Prefixes from 32-bit ASNs in the Routing Table: 4917
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 345701632
Equivalent to 20 /8s, 154 /16s and 253 /24s
Percentage of available address space announced: 9.3
Percentage of allocated address space announced: 7.3
Percentage of available address space allocated: 128.6
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 17735
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4720
Total APNIC prefixes after maximum aggregation: 2313
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 506
Unique aggregates announced from the APNIC address blocks: 422
APNIC Region origin ASes present in the Internet Routing Table: 588
APNIC Prefixes per ASN: 0.86
APNIC Region origin ASes announcing only one prefix: 246
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 234
Number of APNIC addresses announced to Internet: 7601920
Equivalent to 0 /8s, 115 /16s and 255 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks 43/8, 45/8, 146/8, 150/8, 160/8, 163/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 21054
Total ARIN prefixes after maximum aggregation: 9523
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 6241
Unique aggregates announced from the ARIN address blocks: 4435
ARIN Region origin ASes present in the Internet Routing Table: 1332
ARIN Prefixes per ASN: 4.69
ARIN Region origin ASes announcing only one prefix: 459
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 227
Number of ARIN addresses announced to Internet: 31292928
Equivalent to 1 /8s, 221 /16s and 126 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks 66/8, 139/8, 144/8, 149/8, 162/8, 164/8, 192/8,
198/8, 199/8, 204/8, 205/8, 207/8, 208/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3643
Total RIPE prefixes after maximum aggregation: 2920
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 942
Unique aggregates announced from the RIPE address blocks: 888
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 1.40
RIPE Region origin ASes announcing only one prefix: 301
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 159
Number of RIPE addresses announced to Internet: 11608320
Equivalent to 0 /8s, 177 /16s and 33 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-216475
RIPE Address Blocks 152/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1439
Total LACNIC prefixes after maximum aggregation: 538
LACNIC Deaggregation factor: 2.67
Prefixes being announced from the LACNIC address blocks: 253
Unique aggregates announced from the LACNIC address blocks: 198
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 1.64
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 1052672
Equivalent to 0 /8s, 16 /16s and 16 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 72/8, 128/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1043
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.06
Prefixes being announced from the AfriNIC address blocks: 84
Unique aggregates announced from the AfriNIC address blocks: 51
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 1.65
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 609280
Equivalent to 0 /8s, 9 /16s and 76 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 590 2170 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 114 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 5097 4986 2398 AMAZON-02, US
396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US
714 1154 4392 5 APPLE-ENGINEERING, US
14618 1012 4443 764 AMAZON-AES, US
15169 906 2011 69 GOOGLE, US
8075 680 16014 571 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 512 508 100 CENIC-2152, US
2920 229 44 49 LACOE, US
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 26 67 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 209 178 42 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 447 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 15 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 0 5 RwEdNet-AS, RW
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 5097 4986 2398 AMAZON-02, US
396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US
714 1154 4392 5 APPLE-ENGINEERING, US
14618 1012 4443 764 AMAZON-AES, US
15169 906 2011 69 GOOGLE, US
8075 680 16014 571 MICROSOFT-CORP-MSN-AS-BLOCK, US
2907 590 2170 464 SINET-AS Research Organization of Informa
2152 512 508 100 CENIC-2152, US
7497 447 180 24 CSTNET-AS-AP Computer Network Information
36914 447 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
396982 2865 2446 GOOGLE-CLOUD-PLATFORM, US
714 1154 1149 APPLE-ENGINEERING, US
15169 906 837 GOOGLE, US
36914 447 444 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2152 512 412 CENIC-2152, US
2018 381 310 TENET-1, ZA
14618 1012 248 AMAZON-AES, US
5786 197 196 UPRENET, PR
2920 229 180 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65208 PRIVATE 63.225.1.0/24 11570 AS11570, US
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
65208 PRIVATE 206.206.156.0/22 11570 AS11570, US
65208 PRIVATE 216.161.32.0/23 11570 AS11570, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
204.153.219.0/24 Origin: 14618 AMAZON-AES, US
204.153.219.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:1 /9:3 /10:3 /11:11 /12:38
/13:52 /14:117 /15:235 /16:2425 /17:627 /18:595
/19:859 /20:3033 /21:1563 /22:2286 /23:2450 /24:17605
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 4634 5097 AMAZON-02, US
396982 2657 2865 GOOGLE-CLOUD-PLATFORM, US
714 1140 1154 APPLE-ENGINEERING, US
15169 815 906 GOOGLE, US
14618 713 1012 AMAZON-AES, US
8075 364 680 MICROSOFT-CORP-MSN-AS-BLOCK, US
7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
5786 196 197 UPRENET, PR
28391 154 154 Universidad Juarez Autonoma de Tabasco, MX
58647 149 180 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:259 4:2 5:24 6:4
8:28 12:1 13:179 14:92 15:134 16:126
17:306 18:324 23:123 24:3 31:5 34:22
35:67 36:1 37:8 38:10 40:6 41:161
42:11 43:2 44:7 45:89 46:14 47:1
49:10 50:15 52:866 54:187 57:10 58:1
59:19 60:6 61:3 62:17 63:47 64:177
65:44 66:116 67:76 68:27 69:65 70:42
71:41 72:20 74:162 75:1 76:49 77:12
78:3 79:10 80:13 81:26 82:7 83:7
84:9 85:51 86:5 87:4 88:1 89:23
91:61 92:9 93:45 94:6 95:3 96:6
97:1 98:15 99:80 101:2 102:15 103:397
104:248 107:41 108:172 109:7 111:21 113:6
114:32 115:1 116:14 117:66 118:33 119:23
121:28 122:11 123:8 124:42 125:5 128:56
129:41 130:172 131:77 132:65 133:154 134:111
135:7 136:311 137:120 138:72 139:22 140:48
141:14 142:334 143:40 144:77 145:8 146:138
147:81 148:206 149:19 150:48 151:51 152:156
153:14 154:39 155:106 156:138 157:42 158:44
159:163 160:36 161:50 162:109 163:75 164:29
165:79 166:7 167:41 168:186 169:15 170:204
171:1 172:126 173:121 174:2 175:16 176:5
177:5 178:3 179:14 180:16 181:1 182:11
184:10 185:153 186:3 187:21 188:19 189:3
190:18 191:13 192:1690 193:303 194:134 195:80
196:147 197:316 198:632 199:400 200:329 201:37
202:659 203:460 204:457 205:214 206:249 207:353
208:170 209:269 210:218 211:3 212:176 213:23
214:8 216:255 217:14 218:21 219:5 220:17
222:2 223:15
End of report
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