[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Jul 1 22:05:45 UTC 2021
Global R&E Routing Table Report 22:05 GMT Thu 01 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 21997
Prefixes after maximum aggregation (per Origin AS): 12114
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 14408
Total ASes present in the Internet Routing Table: 2779
Prefixes per ASN: 7.92
Origin-only ASes present in the Internet Routing Table: 2380
Origin ASes announcing only one prefix: 1102
Transit ASes present in the Internet Routing Table: 399
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 16
Number of instances of unregistered ASNs: 16
Number of 32-bit ASNs allocated by the RIRs: 36499
Number of 32-bit ASNs visible in the Routing Table: 594
Prefixes from 32-bit ASNs in the Routing Table: 1712
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: 4
Number of addresses announced to Internet: 289667584
Equivalent to 17 /8s, 67 /16s and 250 /24s
Percentage of available address space announced: 7.8
Percentage of allocated address space announced: 7.8
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: 2847
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4695
Total APNIC prefixes after maximum aggregation: 2357
APNIC Deaggregation factor: 1.99
Prefixes being announced from the APNIC address blocks: 4748
Unique aggregates announced from the APNIC address blocks: 2745
APNIC Region origin ASes present in the Internet Routing Table: 568
APNIC Prefixes per ASN: 8.36
APNIC Region origin ASes announcing only one prefix: 241
APNIC Region transit ASes present in the Internet Routing Table: 64
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: 47079424
Equivalent to 2 /8s, 206 /16s and 96 /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: 11507
Total ARIN prefixes after maximum aggregation: 6243
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 11384
Unique aggregates announced from the ARIN address blocks: 7686
ARIN Region origin ASes present in the Internet Routing Table: 1248
ARIN Prefixes per ASN: 9.12
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 165
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: 152
Number of ARIN addresses announced to Internet: 175295744
Equivalent to 10 /8s, 114 /16s and 205 /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: 3347
Total RIPE prefixes after maximum aggregation: 2724
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3426
Unique aggregates announced from the RIPE address blocks: 2852
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 5.11
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: 4.6
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: 59818752
Equivalent to 3 /8s, 144 /16s and 195 /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: 1549
Total LACNIC prefixes after maximum aggregation: 592
LACNIC Deaggregation factor: 2.62
Prefixes being announced from the LACNIC address blocks: 1549
Unique aggregates announced from the LACNIC address blocks: 823
LACNIC Region origin ASes present in the Internet Routing Table: 179
LACNIC Prefixes per ASN: 8.65
LACNIC Region origin ASes announcing only one prefix: 70
LACNIC Region transit ASes present in the Internet Routing Table: 29
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 77
Number of LACNIC addresses announced to Internet: 4737792
Equivalent to 0 /8s, 72 /16s and 75 /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: 883
Total AfriNIC prefixes after maximum aggregation: 183
AfriNIC Deaggregation factor: 4.83
Prefixes being announced from the AfriNIC address blocks: 886
Unique aggregates announced from the AfriNIC address blocks: 298
AfriNIC Region origin ASes present in the Internet Routing Table: 45
AfriNIC Prefixes per ASN: 19.69
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2731008
Equivalent to 0 /8s, 41 /16s and 172 /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 2155 455 SINET-AS Research Organization of Infor
7497 433 215 29 CSTNET-AS-AP Computer Network Informati
1237 189 75 137 KREONET-AS-KR KISTI, KR
7575 181 331 127 AARNET-AS-AP Australian Academic and Re
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4538 124 4192 72 ERX-CERNET-BKB China Education and Rese
4621 82 37 11 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/CENIC/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2257 4234 785 AMAZON-02, US
14618 490 3966 362 AMAZON-AES, US
7896 245 51 7 NU-AS, US
376 235 180 158 RISQ-AS, CA
8075 205 11189 184 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 201 16 1 UPRENET, PR
668 194 685 169 DNIC-AS-00668, US
2152 158 507 90 CSUNET-NW, US
18558 137 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 141 24 4 ISU Internet Services Unit ISU, SA
559 116 550 107 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 66 647 61 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 178 207 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
27884 93 6 2 CABLECOLOR S.A., HN
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
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
2018 324 319 74 TENET-1, ZA
327687 137 28 3 RENU, UG
36914 99 82 3 KENET-AS, KE
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 30 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37182 11 8 1 TERNET, TZ
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 2257 4234 785 AMAZON-02, US
2907 608 2155 455 SINET-AS Research Organization of Infor
14618 490 3966 362 AMAZON-AES, US
7497 433 215 29 CSTNET-AS-AP Computer Network Informati
2018 324 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 245 51 7 NU-AS, US
376 235 180 158 RISQ-AS, CA
8075 205 11189 184 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 201 16 1 UPRENET, PR
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 433 404 CSTNET-AS-AP Computer Network Information Cente
2018 324 250 TENET-1, ZA
7896 245 238 NU-AS, US
5786 201 200 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
2907 608 153 SINET-AS Research Organization of Information a
1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa,
8895 141 137 ISU Internet Services Unit ISU, SA
327687 137 134 RENU, UG
18558 137 133 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
164.160.240.0/20 Origin: 328439 UNASSIGNED
Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK,
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
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
Transit: 16509 AMAZON-02, 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 /12:29
/13:34 /14:81 /15:194 /16:2156 /17:445 /18:453
/19:631 /20:992 /21:1011 /22:1573 /23:1657 /24:12729
/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 623 2257 AMAZON-02, US
14618 158 490 AMAZON-AES, US
8895 136 141 ISU Internet Services Unit ISU, SA
27884 90 93 CABLECOLOR S.A., HN
36914 86 99 KENET-AS, KE
23024 53 114 OCDE, US
327700 33 39 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 3:76 4:2 5:15 6:4 8:2
12:1 13:212 14:84 15:17 18:41 23:23
24:6 31:6 35:1 37:6 38:9 40:3
41:143 42:25 44:5 45:74 46:10 47:1
49:10 50:8 52:595 54:107 58:2 59:20
60:4 61:4 62:7 63:38 64:123 65:12
66:68 67:58 68:18 69:42 70:7 71:9
72:19 74:37 75:128 76:166 77:9 78:3
79:10 80:14 81:32 82:5 83:7 84:4
85:36 86:9 87:1 88:1 89:11 91:54
92:1 93:12 94:4 95:4 96:6 97:1
98:8 99:173 101:2 102:9 103:304 104:102
106:1 107:24 108:21 109:8 110:3 111:21
112:4 113:1 114:23 115:1 116:6 117:63
118:35 119:18 121:29 122:11 123:8 124:40
125:9 128:86 129:180 130:114 131:110 132:60
133:137 134:92 135:1 136:204 137:160 138:15
139:16 140:50 141:3 142:61 143:41 144:64
146:126 147:75 148:167 149:16 150:47 151:6
152:76 153:11 154:25 155:53 156:64 157:29
158:47 159:118 160:33 161:20 162:49 163:69
164:48 165:22 166:1 167:20 168:163 169:9
170:108 171:1 172:10 173:24 174:1 175:32
176:11 177:8 178:3 179:14 180:21 181:11
182:6 184:10 185:52 186:3 187:18 188:14
189:6 190:138 191:36 192:1498 193:248 194:128
195:88 196:168 197:4 198:535 199:301 200:256
201:39 202:643 203:429 204:384 205:201 206:199
207:191 208:91 209:138 210:189 211:14 212:169
213:13 214:4 216:103 217:16 218:26 219:8
220:24 222:4 223:2
End of report
More information about the ren-bgp-stats-all
mailing list