[REN-BGP-stats-all] Global R&E Routing Table Report - CEDIA R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Oct 8 22:10:32 UTC 2021
Global R&E Routing Table Report 22:10 GMT Fri 08 Oct, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 22092
Prefixes after maximum aggregation (per Origin AS): 11528
Deaggregation factor: 1.92
Unique aggregates announced (without unneeded subnets): 13557
Total ASes present in the Internet Routing Table: 2730
Prefixes per ASN: 8.09
Origin-only ASes present in the Internet Routing Table: 2347
Origin ASes announcing only one prefix: 1080
Transit ASes present in the Internet Routing Table: 383
Transit-only ASes present in the Internet Routing Table: 56
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 19
Number of instances of unregistered ASNs: 19
Number of 32-bit ASNs allocated by the RIRs: 37424
Number of 32-bit ASNs visible in the Routing Table: 608
Prefixes from 32-bit ASNs in the Routing Table: 2331
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 6
Number of addresses announced to Internet: 237559363
Equivalent to 14 /8s, 40 /16s and 222 /24s
Percentage of available address space announced: 6.4
Percentage of allocated address space announced: 6.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 3239
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4785
Total APNIC prefixes after maximum aggregation: 2345
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4805
Unique aggregates announced from the APNIC address blocks: 2698
APNIC Region origin ASes present in the Internet Routing Table: 586
APNIC Prefixes per ASN: 8.20
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 225
Number of APNIC addresses announced to Internet: 46033472
Equivalent to 2 /8s, 190 /16s and 106 /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, 131072-147769
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 11346
Total ARIN prefixes after maximum aggregation: 5529
ARIN Deaggregation factor: 2.05
Prefixes being announced from the ARIN address blocks: 11265
Unique aggregates announced from the ARIN address blocks: 6742
ARIN Region origin ASes present in the Internet Routing Table: 1188
ARIN Prefixes per ASN: 9.48
ARIN Region origin ASes announcing only one prefix: 422
ARIN Region transit ASes present in the Internet Routing Table: 159
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 157
Number of ARIN addresses announced to Internet: 126483441
Equivalent to 7 /8s, 137 /16s and 251 /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, 393216-401308
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8,
66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8,
73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8,
99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3439
Total RIPE prefixes after maximum aggregation: 2766
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3503
Unique aggregates announced from the RIPE address blocks: 2887
RIPE Region origin ASes present in the Internet Routing Table: 672
RIPE Prefixes per ASN: 5.21
RIPE Region origin ASes announcing only one prefix: 323
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 129
Number of RIPE addresses announced to Internet: 58119360
Equivalent to 3 /8s, 118 /16s and 212 /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
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1619
Total LACNIC prefixes after maximum aggregation: 698
LACNIC Deaggregation factor: 2.32
Prefixes being announced from the LACNIC address blocks: 1629
Unique aggregates announced from the LACNIC address blocks: 937
LACNIC Region origin ASes present in the Internet Routing Table: 176
LACNIC Prefixes per ASN: 9.26
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 73
Number of LACNIC addresses announced to Internet: 4216402
Equivalent to 0 /8s, 64 /16s and 86 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 884
Total AfriNIC prefixes after maximum aggregation: 184
AfriNIC Deaggregation factor: 4.80
Prefixes being announced from the AfriNIC address blocks: 884
Unique aggregates announced from the AfriNIC address blocks: 287
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 18.81
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2705152
Equivalent to 0 /8s, 41 /16s and 71 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 632 2157 458 SINET-AS Research Organization of Infor
7497 429 182 24 CSTNET-AS-AP Computer Network Informati
58647 198 18 2 KAGAWAU-AS Kagawa University, JP
1237 188 74 135 KREONET-AS-KR KISTI, KR
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4538 126 4192 72 ERX-CERNET-BKB China Education and Rese
4621 81 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 1747 1563 500 AMAZON-02, US
15169 725 3278 65 GOOGLE, US
14618 529 3985 400 AMAZON-AES, US
396982 505 397 199 GOOGLE-PRIVATE-CLOUD, US
7896 250 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
36492 166 11 48 GOOGLEWIFI, US
2152 156 507 85 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 177 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 62 33 60 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 204 207 42 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
27947 108 0 82 Telconet S.A, EC
11340 106 25 52 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
52286 53 4 31 Columbus Networks Guatemala, GT
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
4270 42 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 344 319 73 TENET-1, ZA
327687 134 28 3 RENU, UG
36914 91 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 1747 1563 500 AMAZON-02, US
15169 725 3278 65 GOOGLE, US
2907 632 2157 458 SINET-AS Research Organization of Infor
14618 529 3985 400 AMAZON-AES, US
396982 505 397 199 GOOGLE-PRIVATE-CLOUD, US
7497 429 182 24 CSTNET-AS-AP Computer Network Informati
2018 344 319 73 TENET-1, ZA
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
15169 725 660 GOOGLE, US
7497 429 405 CSTNET-AS-AP Computer Network Information Cente
396982 505 306 GOOGLE-PRIVATE-CLOUD, US
2018 344 271 TENET-1, ZA
7896 250 243 NU-AS, US
58647 198 196 KAGAWAU-AS Kagawa University, JP
5786 195 194 UPRENET, PR
2907 632 174 SINET-AS Research Organization of Information a
8895 177 173 ISU Internet Services Unit ISU, SA
1916 204 162 Associacao Rede Nacional de Ensino e Pesquisa,
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US
14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
205.166.145.0/24 Transit: 40831 PHS, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /8:0 /9:1 /10:2 /11:3 /12:17
/13:33 /14:76 /15:159 /16:2068 /17:405 /18:448
/19:696 /20:1194 /21:950 /22:1500 /23:1618 /24:12527
/25:82 /26:67 /27:61 /28:35 /29:91 /30:32
/31:21 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 528 1747 AMAZON-02, US
15169 275 725 GOOGLE, US
14618 174 529 AMAZON-AES, US
8895 172 177 ISU Internet Services Unit ISU, SA
27947 98 108 Telconet S.A, EC
36914 80 91 KENET-AS, KE
396982 80 505 GOOGLE-PRIVATE-CLOUD, US
23024 53 56 OCDE, US
36492 43 166 GOOGLEWIFI, US
58647 34 198 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 3:54 5:17 8:4 12:1 13:158
14:84 15:20 18:41 23:54 24:6 31:9
35:6 37:6 38:9 40:1 41:128 42:8
44:5 45:73 46:11 47:1 49:10 50:1
52:461 54:129 58:1 59:20 60:4 61:3
62:7 63:36 64:129 65:5 66:57 67:58
68:10 69:36 70:17 71:3 72:16 74:101
75:128 76:164 77:8 78:3 79:10 80:19
81:29 82:6 83:7 84:5 85:38 86:9
87:1 88:1 89:16 91:52 92:2 93:19
94:4 95:4 96:6 97:1 98:8 99:167
101:6 102:12 103:324 104:88 106:1 107:18
108:61 109:11 110:3 111:20 112:4 114:23
116:5 117:61 118:32 119:19 121:26 122:8
123:8 124:39 125:5 128:81 129:178 130:110
131:89 132:61 133:138 134:98 135:16 136:260
137:151 138:8 139:16 140:36 141:3 142:153
143:45 144:70 146:135 147:63 148:164 149:18
150:39 151:7 152:80 153:11 154:24 155:53
156:67 157:26 158:46 159:120 160:25 161:21
162:37 163:64 164:48 165:56 166:1 167:21
168:191 169:10 170:70 171:1 172:106 173:87
174:1 175:31 176:12 177:10 178:3 179:11
180:21 181:12 182:6 184:5 185:63 186:3
187:18 188:19 189:3 190:40 191:36 192:1337
193:251 194:121 195:89 196:181 197:5 198:471
199:271 200:239 201:36 202:637 203:423 204:370
205:192 206:208 207:183 208:84 209:152 210:184
211:14 212:173 213:12 216:131 217:23 218:25
219:8 220:16 222:5 223:2
End of report
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