[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Apr 13 22:15:13 UTC 2021
Global R&E Routing Table Report 22:15 GMT Tue 13 Apr, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 22020
Prefixes after maximum aggregation (per Origin AS): 12033
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 14249
Total ASes present in the Internet Routing Table: 2779
Prefixes per ASN: 7.92
Origin-only ASes present in the Internet Routing Table: 2388
Origin ASes announcing only one prefix: 1104
Transit ASes present in the Internet Routing Table: 391
Transit-only ASes present in the Internet Routing Table: 59
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: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 35683
Number of 32-bit ASNs visible in the Routing Table: 589
Prefixes from 32-bit ASNs in the Routing Table: 1685
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: 280765952
Equivalent to 16 /8s, 188 /16s and 38 /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: 3010
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4638
Total APNIC prefixes after maximum aggregation: 2349
APNIC Deaggregation factor: 1.97
Prefixes being announced from the APNIC address blocks: 4683
Unique aggregates announced from the APNIC address blocks: 2734
APNIC Region origin ASes present in the Internet Routing Table: 570
APNIC Prefixes per ASN: 8.22
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 216
Number of APNIC addresses announced to Internet: 47208960
Equivalent to 2 /8s, 208 /16s and 90 /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: 11343
Total ARIN prefixes after maximum aggregation: 6143
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 11249
Unique aggregates announced from the ARIN address blocks: 7569
ARIN Region origin ASes present in the Internet Routing Table: 1252
ARIN Prefixes per ASN: 8.98
ARIN Region origin ASes announcing only one prefix: 447
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: 166338304
Equivalent to 9 /8s, 234 /16s and 31 /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: 3381
Total RIPE prefixes after maximum aggregation: 2758
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3440
Unique aggregates announced from the RIPE address blocks: 2826
RIPE Region origin ASes present in the Internet Routing Table: 672
RIPE Prefixes per ASN: 5.12
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 108
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: 128
Number of RIPE addresses announced to Internet: 59734528
Equivalent to 3 /8s, 143 /16s and 122 /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: 1412
Total LACNIC prefixes after maximum aggregation: 581
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1412
Unique aggregates announced from the LACNIC address blocks: 817
LACNIC Region origin ASes present in the Internet Routing Table: 176
LACNIC Prefixes per ASN: 8.02
LACNIC Region origin ASes announcing only one prefix: 71
LACNIC Region transit ASes present in the Internet Routing Table: 27
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: 75
Number of LACNIC addresses announced to Internet: 4649728
Equivalent to 0 /8s, 70 /16s and 243 /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: 1231
Total AfriNIC prefixes after maximum aggregation: 188
AfriNIC Deaggregation factor: 6.55
Prefixes being announced from the AfriNIC address blocks: 1234
Unique aggregates announced from the AfriNIC address blocks: 301
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 26.26
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 21
Number of AfriNIC addresses announced to Internet: 2833920
Equivalent to 0 /8s, 43 /16s and 62 /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 186 347 132 AARNET-AS-AP Australian Academic and Re
1237 184 75 132 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 82 37 10 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 2123 4061 711 AMAZON-02, US
14618 466 3996 343 AMAZON-AES, US
7896 261 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 209 718 175 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 134 18 4 NETBLK-RCOEK, US
270 118 297 88 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
559 115 550 106 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 176 215 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 394 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
327687 133 28 3 RENU, UG
327700 84 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 21 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 2123 4061 711 AMAZON-02, US
2907 608 2156 456 SINET-AS Research Organization of Infor
14618 466 3996 343 AMAZON-AES, US
7497 443 233 33 CSTNET-AS-AP Computer Network Informati
36914 394 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 261 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 209 718 175 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 394 391 KENET-AS, KE
7896 261 254 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
8895 141 137 ISU Internet Services Unit (ISU), SA
1916 176 135 Associacao Rede Nacional de Ensino e Pesquisa,
18558 134 130 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 /16:2160 /17:450 /18:453
/19:628 /20:947 /21:1021 /22:1561 /23:1653 /24:12806
/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 2123 AMAZON-02, US
36914 368 394 KENET-AS, KE
14618 150 466 AMAZON-AES, US
8895 136 141 ISU Internet Services Unit (ISU), SA
327700 78 84 MoRENet, MZ
23024 53 114 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
18632 29 55 VOLCANO-VISION, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 3:55 4:2 5:15 6:4 8:2
12:1 13:210 14:84 15:9 18:41 23:21
24:6 31:6 34:1 35:1 37:6 38:9
40:3 41:285 42:24 44:5 45:68 46:9
47:1 49:10 50:7 52:582 54:108 58:2
59:20 60:4 61:4 62:7 63:38 64:113
65:13 66:56 67:58 68:18 69:42 70:5
71:9 72:19 74:38 75:128 76:166 77:6
78:3 79:10 80:14 81:33 82:4 83:7
84:5 85:37 86:9 87:1 88:2 89:11
91:55 92:1 93:13 94:4 95:4 96:5
97:1 98:8 99:173 101:6 102:6 103:312
104:103 106:1 107:24 108:21 109:8 110:3
111:17 112:4 114:23 115:1 116:6 117:63
118:35 119:18 121:29 122:12 123:8 124:40
125:10 128:78 129:226 130:105 131:113 132:58
133:137 134:88 135:1 136:204 137:160 138:14
139:16 140:50 141:3 142:61 143:38 144:77
146:125 147:67 148:168 149:16 150:45 151:7
152:77 153:11 154:25 155:58 156:65 157:29
158:47 159:117 160:33 161:19 162:49 163:68
164:48 165:19 166:1 167:17 168:155 169:9
170:109 171:1 172:6 173:24 174:1 175:32
176:11 177:7 178:2 179:13 180:21 181:8
182:6 184:3 185:48 186:3 187:18 188:14
189:6 190:44 191:34 192:1488 193:254 194:142
195:103 196:169 197:190 198:530 199:305 200:249
201:39 202:600 203:402 204:385 205:206 206:198
207:191 208:87 209:136 210:174 211:14 212:167
213:13 214:7 216:88 217:16 218:26 219:8
220:24 222:4 223:1
End of report
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