[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Nov 17 22:05:31 UTC 2021
Global R&E Routing Table Report 22:05 GMT Wed 17 Nov, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 22330
Prefixes after maximum aggregation (per Origin AS): 12278
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 14577
Total ASes present in the Internet Routing Table: 2795
Prefixes per ASN: 7.99
Origin-only ASes present in the Internet Routing Table: 2407
Origin ASes announcing only one prefix: 1112
Transit ASes present in the Internet Routing Table: 388
Transit-only ASes present in the Internet Routing Table: 53
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: 37843
Number of 32-bit ASNs visible in the Routing Table: 621
Prefixes from 32-bit ASNs in the Routing Table: 1800
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: 7
Number of addresses announced to Internet: 289684480
Equivalent to 17 /8s, 68 /16s and 60 /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: 2853
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4681
Total APNIC prefixes after maximum aggregation: 2327
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4746
Unique aggregates announced from the APNIC address blocks: 2711
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.15
APNIC Region origin ASes announcing only one prefix: 249
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: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 46780672
Equivalent to 2 /8s, 201 /16s and 209 /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, 131072-151865
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: 11838
Total ARIN prefixes after maximum aggregation: 6400
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 11697
Unique aggregates announced from the ARIN address blocks: 7827
ARIN Region origin ASes present in the Internet Routing Table: 1252
ARIN Prefixes per ASN: 9.34
ARIN Region origin ASes announcing only one prefix: 445
ARIN Region transit ASes present in the Internet Routing Table: 165
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 158
Number of ARIN addresses announced to Internet: 175621632
Equivalent to 10 /8s, 119 /16s and 198 /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: 3374
Total RIPE prefixes after maximum aggregation: 2739
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3453
Unique aggregates announced from the RIPE address blocks: 2870
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 5.15
RIPE Region origin ASes announcing only one prefix: 324
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 133
Number of RIPE addresses announced to Internet: 59795712
Equivalent to 3 /8s, 144 /16s and 105 /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: 1512
Total LACNIC prefixes after maximum aggregation: 617
LACNIC Deaggregation factor: 2.45
Prefixes being announced from the LACNIC address blocks: 1515
Unique aggregates announced from the LACNIC address blocks: 866
LACNIC Region origin ASes present in the Internet Routing Table: 182
LACNIC Prefixes per ASN: 8.32
LACNIC Region origin ASes announcing only one prefix: 72
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 80
Number of LACNIC addresses announced to Internet: 4597760
Equivalent to 0 /8s, 70 /16s and 40 /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: 910
Total AfriNIC prefixes after maximum aggregation: 188
AfriNIC Deaggregation factor: 4.84
Prefixes being announced from the AfriNIC address blocks: 912
Unique aggregates announced from the AfriNIC address blocks: 296
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 17.88
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2886912
Equivalent to 0 /8s, 44 /16s and 13 /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 610 2157 457 SINET-AS Research Organization of Infor
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 176 329 122 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 127 4192 72 ERX-CERNET-BKB China Education and Rese
4621 80 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/CENIC/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2531 4281 869 AMAZON-02, US
14618 545 3986 415 AMAZON-AES, US
7896 250 51 7 NU-AS, US
668 211 702 179 DNIC-AS-00668, US
8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 204 178 153 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
2152 160 507 88 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 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
680 277 1998 237 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 143 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 59 33 57 ROEDUNET, RO
1930 57 81 52 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 177 207 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
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 45 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 342 319 73 TENET-1, ZA
327687 126 28 3 RENU, UG
36914 99 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 15 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 2531 4281 869 AMAZON-02, US
2907 610 2157 457 SINET-AS Research Organization of Infor
14618 545 3986 415 AMAZON-AES, US
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
2018 342 319 73 TENET-1, ZA
680 277 1998 237 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
668 211 702 179 DNIC-AS-00668, US
8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 204 178 153 RISQ-AS, CA
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 431 407 CSTNET-AS-AP Computer Network Information Cente
2018 342 269 TENET-1, ZA
7896 250 243 NU-AS, US
5786 195 194 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
2907 610 153 SINET-AS Research Organization of Information a
8895 143 139 ISU Internet Services Unit ISU, SA
1916 177 136 Associacao Rede Nacional de Ensino e Pesquisa,
18558 136 132 NETBLK-RCOEK, US
14618 545 130 AMAZON-AES, 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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
29955 UNALLOCATED 192.104.1.0/24 2495 KANREN, US
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
29955 UNALLOCATED 198.252.8.0/21 2495 KANREN, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.136.0/24 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.137.0/24 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.138.0/24 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.139.0/24 5078 ONENET-AS-1, 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
103.151.24.0/24 Origin: 16509 AMAZON-02, US
103.151.24.0/24 Transit: 2152 CSUNET-NW, US
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
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 /15:200 /16:2149 /17:452 /18:470
/19:612 /20:998 /21:1008 /22:1587 /23:1716 /24:12982
/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 663 2531 AMAZON-02, US
14618 179 545 AMAZON-AES, US
8895 138 143 ISU Internet Services Unit ISU, SA
36914 85 99 KENET-AS, KE
23024 53 114 OCDE, US
327700 36 42 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
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)
----------------------------------------------
1:5 3:76 4:2 5:16 6:4 8:2
12:1 13:209 14:84 15:33 18:42 23:35
24:6 31:6 35:1 37:6 38:9 40:3
41:151 42:8 44:5 45:78 46:8 47:1
49:10 50:9 52:669 54:170 58:1 59:20
60:4 61:3 62:7 63:42 64:124 65:9
66:69 67:60 68:18 69:47 70:7 71:9
72:21 74:40 75:128 76:164 77:8 78:3
79:10 80:17 81:27 82:6 83:7 84:4
85:37 86:9 87:1 88:1 89:12 91:55
92:1 93:19 94:4 95:6 96:6 97:1
98:11 99:176 101:6 102:16 103:331 104:108
106:1 107:24 108:21 109:11 110:3 111:21
112:4 113:1 114:23 116:5 117:61 118:32
119:21 121:26 122:11 123:8 124:39 125:4
128:83 129:181 130:110 131:102 132:61 133:138
134:101 135:1 136:199 137:151 138:9 139:16
140:50 141:3 142:61 143:37 144:65 145:1
146:126 147:66 148:167 149:16 150:48 151:8
152:79 153:11 154:24 155:59 156:70 157:30
158:45 159:120 160:32 161:21 162:54 163:74
164:52 165:60 166:1 167:23 168:201 169:10
170:114 171:1 172:10 173:16 174:1 175:31
176:12 177:10 178:3 179:13 180:21 181:12
182:6 184:5 185:57 186:3 187:18 188:14
189:3 190:54 191:37 192:1499 193:258 194:123
195:86 196:172 197:5 198:538 199:315 200:254
201:39 202:642 203:427 204:359 205:205 206:213
207:191 208:95 209:140 210:184 211:14 212:172
213:13 214:7 216:133 217:14 218:25 219:8
220:17 222:5 223:2
End of report
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