[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Apr 28 22:15:16 UTC 2021
Global R&E Routing Table Report 22:15 GMT Wed 28 Apr, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 22137
Prefixes after maximum aggregation (per Origin AS): 12077
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 14289
Total ASes present in the Internet Routing Table: 2772
Prefixes per ASN: 7.99
Origin-only ASes present in the Internet Routing Table: 2381
Origin ASes announcing only one prefix: 1099
Transit ASes present in the Internet Routing Table: 391
Transit-only ASes present in the Internet Routing Table: 57
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 35855
Number of 32-bit ASNs visible in the Routing Table: 589
Prefixes from 32-bit ASNs in the Routing Table: 1688
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: 2
Number of addresses announced to Internet: 280709120
Equivalent to 16 /8s, 187 /16s and 72 /24s
Percentage of available address space announced: 7.6
Percentage of allocated address space announced: 7.6
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: 3040
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4634
Total APNIC prefixes after maximum aggregation: 2356
APNIC Deaggregation factor: 1.97
Prefixes being announced from the APNIC address blocks: 4682
Unique aggregates announced from the APNIC address blocks: 2736
APNIC Region origin ASes present in the Internet Routing Table: 566
APNIC Prefixes per ASN: 8.27
APNIC Region origin ASes announcing only one prefix: 242
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 211
Number of APNIC addresses announced to Internet: 47010816
Equivalent to 2 /8s, 205 /16s and 84 /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, 131072-143673
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: 11433
Total ARIN prefixes after maximum aggregation: 6171
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 11333
Unique aggregates announced from the ARIN address blocks: 7593
ARIN Region origin ASes present in the Internet Routing Table: 1249
ARIN Prefixes per ASN: 9.07
ARIN Region origin ASes announcing only one prefix: 444
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 149
Number of ARIN addresses announced to Internet: 166294784
Equivalent to 9 /8s, 233 /16s and 117 /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: 3378
Total RIPE prefixes after maximum aggregation: 2759
RIPE Deaggregation factor: 1.22
Prefixes being announced from the RIPE address blocks: 3441
Unique aggregates announced from the RIPE address blocks: 2829
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 5.14
RIPE Region origin ASes announcing only one prefix: 317
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 4.7
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: 59824384
Equivalent to 3 /8s, 144 /16s and 217 /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: 1420
Total LACNIC prefixes after maximum aggregation: 586
LACNIC Deaggregation factor: 2.42
Prefixes being announced from the LACNIC address blocks: 1419
Unique aggregates announced from the LACNIC address blocks: 823
LACNIC Region origin ASes present in the Internet Routing Table: 178
LACNIC Prefixes per ASN: 7.97
LACNIC Region origin ASes announcing only one prefix: 73
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 76
Number of LACNIC addresses announced to Internet: 4718848
Equivalent to 0 /8s, 72 /16s and 1 /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: 1257
Total AfriNIC prefixes after maximum aggregation: 191
AfriNIC Deaggregation factor: 6.58
Prefixes being announced from the AfriNIC address blocks: 1260
Unique aggregates announced from the AfriNIC address blocks: 306
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 25.20
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2859776
Equivalent to 0 /8s, 43 /16s and 163 /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 608 2156 456 SINET-AS Research Organization of Infor
7497 443 233 33 CSTNET-AS-AP Computer Network Informati
7575 187 331 133 AARNET-AS-AP Australian Academic and Re
1237 186 75 139 KREONET-AS-KR KISTI, KR
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4538 123 4192 72 ERX-CERNET-BKB China Education and Rese
4621 83 37 11 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 57 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2187 4086 728 AMAZON-02, US
14618 471 3980 347 AMAZON-AES, US
7896 260 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 210 718 176 DNIC-AS-00668, US
5786 201 16 1 UPRENET, PR
8075 193 9141 179 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 162 507 95 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
786 187 1787 185 JANET Jisc Services Limited, GB
8895 140 24 4 ISU Internet Services Unit (ISU), SA
559 116 550 107 SWITCH Peering requests: (peering at switc
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 62 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 178 215 41 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
1251 67 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 413 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
327687 135 28 3 RENU, UG
327700 82 16 1 MoRENet, MZ
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 23 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2187 4086 728 AMAZON-02, US
2907 608 2156 456 SINET-AS Research Organization of Infor
14618 471 3980 347 AMAZON-AES, US
7497 443 233 33 CSTNET-AS-AP Computer Network Informati
36914 413 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 260 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 210 718 176 DNIC-AS-00668, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 443 410 CSTNET-AS-AP Computer Network Information Cente
36914 413 410 KENET-AS, KE
7896 260 253 NU-AS, US
2018 325 251 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
2907 608 152 SINET-AS Research Organization of Information a
1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa,
8895 140 136 ISU Internet Services Unit (ISU), SA
18558 136 132 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US
19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.23.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.252.0/22 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
36843 UNALLOCATED 162.223.23.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/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/CENIC/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Transit: 11537 INTERNET2-RESEARCH-EDU, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/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 /10:4 /11:7 /12:21
/13:33 /14:81 /15:194 /16:2157 /17:449 /18:457
/19:628 /20:974 /21:1014 /22:1578 /23:1655 /24:12884
/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 601 2187 AMAZON-02, US
36914 385 413 KENET-AS, KE
14618 151 471 AMAZON-AES, US
8895 135 140 ISU Internet Services Unit (ISU), SA
327700 76 82 MoRENet, MZ
23024 53 114 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
18632 29 55 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 3:65 4:2 5:15 6:4 8:2
12:1 13:212 14:84 15:10 18:41 23:21
24:6 31:6 34:1 35:1 37:6 38:9
40:3 41:296 42:24 44:5 45:64 46:9
47:1 49:10 50:7 52:598 54:110 58:2
59:20 60:4 61:4 62:7 63:38 64:114
65:13 66:57 67:58 68:18 69:41 70:5
71:9 72:19 74:37 75:128 76:166 77:6
78:3 79:10 80:14 81:32 82:4 83:8
84:5 85:37 86:9 87:1 88:2 89:11
91:56 92:1 93:12 94:4 95:4 96:5
98:8 99:173 101:6 102:8 103:305 104:104
106:1 107:24 108:21 109:8 110:3 111:21
112:4 114:23 115:1 116:5 117:63 118:35
119:18 121:29 122:11 123:8 124:40 125:9
128:77 129:226 130:106 131:113 132:60 133:137
134:91 135:1 136:204 137:160 138:14 139:16
140:50 141:3 142:61 143:38 144:75 146:126
147:68 148:167 149:16 150:45 151:7 152:77
153:11 154:25 155:58 156:64 157:29 158:47
159:117 160:33 161:20 162:49 163:69 164:48
165:19 166:1 167:17 168:154 169:9 170:109
171:1 172:8 173:24 174:1 175:32 176:11
177:7 178:2 179:13 180:21 181:11 182:6
184:8 185:47 186:3 187:18 188:14 189:6
190:44 191:36 192:1491 193:255 194:143 195:103
196:169 197:197 198:529 199:306 200:253 201:39
202:590 203:412 204:386 205:206 206:197 207:190
208:88 209:136 210:188 211:14 212:165 213:13
214:7 216:88 217:16 218:26 219:8 220:24
222:4 223:2
End of report
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