[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Sep 13 22:05:36 UTC 2021
Global R&E Routing Table Report 22:05 GMT Mon 13 Sep, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 22139
Prefixes after maximum aggregation (per Origin AS): 12182
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 14463
Total ASes present in the Internet Routing Table: 2785
Prefixes per ASN: 7.95
Origin-only ASes present in the Internet Routing Table: 2393
Origin ASes announcing only one prefix: 1105
Transit ASes present in the Internet Routing Table: 392
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: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 37207
Number of 32-bit ASNs visible in the Routing Table: 601
Prefixes from 32-bit ASNs in the Routing Table: 1764
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 5
Number of addresses announced to Internet: 289741056
Equivalent to 17 /8s, 69 /16s and 25 /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: 2824
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4671
Total APNIC prefixes after maximum aggregation: 2324
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4733
Unique aggregates announced from the APNIC address blocks: 2705
APNIC Region origin ASes present in the Internet Routing Table: 572
APNIC Prefixes per ASN: 8.27
APNIC Region origin ASes announcing only one prefix: 240
APNIC Region transit ASes present in the Internet Routing Table: 62
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: 216
Number of APNIC addresses announced to Internet: 46906112
Equivalent to 2 /8s, 203 /16s and 187 /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: 11693
Total ARIN prefixes after maximum aggregation: 6338
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 11563
Unique aggregates announced from the ARIN address blocks: 7771
ARIN Region origin ASes present in the Internet Routing Table: 1253
ARIN Prefixes per ASN: 9.23
ARIN Region origin ASes announcing only one prefix: 450
ARIN Region transit ASes present in the Internet Routing Table: 169
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: 175544832
Equivalent to 10 /8s, 118 /16s and 154 /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: 3365
Total RIPE prefixes after maximum aggregation: 2739
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3436
Unique aggregates announced from the RIPE address blocks: 2866
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 323
RIPE Region transit ASes present in the Internet Routing Table: 107
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: 59695360
Equivalent to 3 /8s, 142 /16s and 225 /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: 1493
Total LACNIC prefixes after maximum aggregation: 588
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1493
Unique aggregates announced from the LACNIC address blocks: 818
LACNIC Region origin ASes present in the Internet Routing Table: 177
LACNIC Prefixes per ASN: 8.44
LACNIC Region origin ASes announcing only one prefix: 69
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: 72
Number of LACNIC addresses announced to Internet: 4779008
Equivalent to 0 /8s, 72 /16s and 236 /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: 906
Total AfriNIC prefixes after maximum aggregation: 187
AfriNIC Deaggregation factor: 4.84
Prefixes being announced from the AfriNIC address blocks: 909
Unique aggregates announced from the AfriNIC address blocks: 298
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 18.18
AfriNIC Region origin ASes announcing only one prefix: 23
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: 26
Number of AfriNIC addresses announced to Internet: 2814464
Equivalent to 0 /8s, 42 /16s and 242 /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 433 214 25 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 180 330 126 AARNET-AS-AP Australian Academic and Re
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 129 19 23 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/CENIC/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2394 4254 832 AMAZON-02, US
14618 520 3984 390 AMAZON-AES, US
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 195 16 1 UPRENET, PR
2152 159 507 88 CSUNET-NW, US
18558 137 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
680 275 1998 237 DFN Verein zur Foerderung eines Deutsch
786 186 1763 184 JANET Jisc Services Limited, GB
8895 142 24 4 ISU Internet Services Unit ISU, SA
559 116 550 107 SWITCH Peering requests: peering at switch
1103 97 1520 84 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 61 32 58 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 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
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 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
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
2018 338 319 74 TENET-1, ZA
327687 136 28 3 RENU, UG
36914 101 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 36 16 1 MoRENet, MZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 14 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 2394 4254 832 AMAZON-02, US
2907 608 2156 456 SINET-AS Research Organization of Infor
14618 520 3984 390 AMAZON-AES, US
7497 433 214 25 CSTNET-AS-AP Computer Network Informati
2018 338 319 74 TENET-1, ZA
680 275 1998 237 DFN Verein zur Foerderung eines Deutsch
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, 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 433 408 CSTNET-AS-AP Computer Network Information Cente
2018 338 264 TENET-1, ZA
7896 241 234 NU-AS, US
5786 195 194 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
2907 608 152 SINET-AS Research Organization of Information a
8895 142 138 ISU Internet Services Unit ISU, SA
1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa,
18558 137 133 NETBLK-RCOEK, US
327687 136 133 RENU, UG
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
19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US
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
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-badAS
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
192.107.242.0/24 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
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
216.169.147.0/24 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 /15:194 /16:2155 /17:449 /18:467
/19:611 /20:988 /21:1000 /22:1579 /23:1699 /24:12841
/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 642 2394 AMAZON-02, US
14618 172 520 AMAZON-AES, US
8895 137 142 ISU Internet Services Unit ISU, SA
36914 88 101 KENET-AS, KE
23024 53 114 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 36 MoRENet, MZ
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 13:208 14:84 15:23 18:41 23:30
24:7 31:6 35:1 37:6 38:9 40:3
41:150 42:8 44:5 45:72 46:9 47:1
49:10 50:8 52:630 54:138 58:2 59:20
60:4 61:3 62:7 63:42 64:123 65:11
66:68 67:61 68:18 69:47 70:7 71:9
72:19 74:40 75:128 76:164 77:8 78:3
79:10 80:18 81:29 82:6 83:7 84:4
85:39 86:9 87:1 88:1 89:11 91:55
92:1 93:19 94:4 95:5 96:6 97:1
98:9 99:175 101:2 102:12 103:319 104:105
106:1 107:24 108:21 109:9 110:3 111:21
112:4 113:1 114:23 116:5 117:61 118:32
119:18 121:26 122:11 123:8 124:39 125:5
128:81 129:180 130:111 131:108 132:61 133:138
134:97 135:1 136:199 137:152 138:11 139:16
140:51 141:3 142:61 143:41 144:65 146:126
147:65 148:199 149:16 150:47 151:8 152:77
153:11 154:25 155:59 156:66 157:29 158:48
159:120 160:32 161:20 162:53 163:71 164:48
165:60 166:1 167:21 168:168 169:10 170:114
171:1 172:10 173:24 174:1 175:32 176:12
177:10 178:3 179:12 180:21 181:11 182:6
184:7 185:56 186:3 187:18 188:13 189:5
190:48 191:36 192:1498 193:252 194:126 195:87
196:175 197:5 198:535 199:310 200:254 201:39
202:629 203:431 204:391 205:203 206:207 207:190
208:94 209:142 210:186 211:14 212:172 213:13
214:7 216:112 217:15 218:25 219:8 220:16
222:5 223:2
End of report
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