[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CENIC (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Apr 3 22:05:35 UTC 2022
IPv4 R&E Routing Table Report 22:05 GMT Sun 03 Apr, 2022
BGP Table (R&E) as seen at CENIC.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 22112
Prefixes after maximum aggregation (per Origin AS): 12450
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 14295
Number of IPv4 prefixes with a valid ROA: 7222
Number of IPv4 prefixes with an invalid ROA: 15
Number of IPv4 prefixes with no ROA: 14875
Total ASes present in the Internet Routing Table: 2777
Prefixes per ASN: 7.96
Origin-only ASes present in the Internet Routing Table: 2399
Origin ASes announcing only one prefix: 1092
Transit ASes present in the Internet Routing Table: 378
Transit-only ASes present in the Internet Routing Table: 54
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 16
Max AS path prepend of ASN (211089) 11
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 38998
Number of 32-bit ASNs visible in the Routing Table: 622
Prefixes from 32-bit ASNs in the Routing Table: 1678
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: 5
Number of addresses announced to Internet: 288222720
Equivalent to 17 /8s, 45 /16s and 238 /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: 2546
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4619
Total APNIC prefixes after maximum aggregation: 2287
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4690
Unique aggregates announced from the APNIC address blocks: 2663
APNIC Region origin ASes present in the Internet Routing Table: 577
APNIC Prefixes per ASN: 8.13
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 68
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 225
Number of APNIC addresses announced to Internet: 46602240
Equivalent to 2 /8s, 199 /16s and 24 /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: 11733
Total ARIN prefixes after maximum aggregation: 6601
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 11564
Unique aggregates announced from the ARIN address blocks: 7646
ARIN Region origin ASes present in the Internet Routing Table: 1260
ARIN Prefixes per ASN: 9.18
ARIN Region origin ASes announcing only one prefix: 446
ARIN Region transit ASes present in the Internet Routing Table: 162
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 172
Number of ARIN addresses announced to Internet: 174483712
Equivalent to 10 /8s, 102 /16s and 105 /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: 3461
Total RIPE prefixes after maximum aggregation: 2808
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3557
Unique aggregates announced from the RIPE address blocks: 2927
RIPE Region origin ASes present in the Internet Routing Table: 668
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 308
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 133
Number of RIPE addresses announced to Internet: 59677952
Equivalent to 3 /8s, 142 /16s and 157 /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: 1396
Total LACNIC prefixes after maximum aggregation: 563
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1396
Unique aggregates announced from the LACNIC address blocks: 767
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 8.36
LACNIC Region origin ASes announcing only one prefix: 69
LACNIC Region transit ASes present in the Internet Routing Table: 22
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: 66
Number of LACNIC addresses announced to Internet: 4670720
Equivalent to 0 /8s, 71 /16s and 69 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 898
Total AfriNIC prefixes after maximum aggregation: 186
AfriNIC Deaggregation factor: 4.83
Prefixes being announced from the AfriNIC address blocks: 900
Unique aggregates announced from the AfriNIC address blocks: 287
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 19.57
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: 3.7
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: 2786816
Equivalent to 0 /8s, 42 /16s and 134 /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 578 2084 455 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
58647 167 18 2 KAGAWAU-AS Kagawa University, JP
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 114 18 11 NKN-CORE-NW NKN Core Network, IN
4621 79 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 2425 4344 1032 AMAZON-02, US
14618 586 3987 448 AMAZON-AES, US
7896 252 51 7 NU-AS, US
668 211 702 179 DNIC-AS-00668, US
8075 208 10885 188 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 202 178 151 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 149 507 89 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
270 120 329 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
680 279 1967 245 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 138 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 96 27 76 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 66 647 61 FR-RENATER Reseau National de telecommu
1930 58 81 53 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 158 208 45 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
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
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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 375 319 74 TENET-1, ZA
36914 204 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 36 28 3 RENU, UG
327700 35 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
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 2425 4344 1032 AMAZON-02, US
14618 586 3987 448 AMAZON-AES, US
2907 578 2084 455 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 375 319 74 TENET-1, ZA
680 279 1967 245 DFN Verein zur Foerderung eines Deutsch
7896 252 51 7 NU-AS, US
668 211 702 179 DNIC-AS-00668, US
8075 208 10885 188 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 204 82 3 KENET-AS, KE
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 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 375 301 TENET-1, ZA
7896 252 245 NU-AS, US
36914 204 201 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 167 165 KAGAWAU-AS Kagawa University, JP
14618 586 138 AMAZON-AES, US
8895 138 134 ISU Internet Services Unit ISU, SA
18558 135 131 NETBLK-RCOEK, US
2907 578 123 SINET-AS Research Organization of Information a
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
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-badAS
Prefixes from the Special Purpose Address Registry (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-spar
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
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, 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 /12:28
/13:33 /14:80 /15:199 /16:2147 /17:457 /18:474
/19:609 /20:1010 /21:1003 /22:1598 /23:1754 /24:12708
/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 359 2425 AMAZON-02, US
14618 194 586 AMAZON-AES, US
36914 191 204 KENET-AS, KE
8895 133 138 ISU Internet Services Unit ISU, SA
23024 53 113 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
327700 31 35 MoRENet, MZ
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)
----------------------------------------------
1:3 3:81 4:2 5:16 6:4 8:2
12:1 13:96 14:84 15:54 16:2 18:50
23:45 24:3 31:6 35:2 37:7 38:9
40:4 41:103 42:10 44:5 45:45 46:11
47:1 49:10 50:11 52:716 54:235 58:1
59:20 60:4 61:3 62:7 63:42 64:140
65:9 66:71 67:62 68:17 69:45 70:29
71:9 72:16 74:43 76:38 77:9 78:3
79:10 80:15 81:28 82:6 83:6 84:4
85:42 86:4 87:1 88:1 89:12 91:53
93:23 94:4 95:5 96:6 97:1 98:11
99:50 101:6 102:13 103:337 104:107 107:23
108:20 109:12 110:3 111:21 113:1 114:23
116:5 117:61 118:32 119:22 121:27 122:11
123:8 124:39 125:4 128:80 129:185 130:148
131:98 132:58 133:140 134:98 135:1 136:204
137:101 138:9 139:16 140:51 141:3 142:58
143:33 144:62 145:2 146:129 147:65 148:200
149:15 150:50 151:8 152:81 153:13 154:26
155:61 156:70 157:31 158:46 159:123 160:30
161:29 162:54 163:74 164:28 165:63 166:1
167:23 168:165 169:12 170:122 171:1 172:10
173:18 174:1 175:29 176:12 177:12 178:2
179:10 180:21 182:6 184:5 185:61 186:3
187:19 188:14 189:5 190:33 191:33 192:1505
193:312 194:129 195:77 196:161 197:117 198:529
199:328 200:245 201:39 202:637 203:430 204:367
205:195 206:217 207:192 208:113 209:136 210:183
211:15 212:150 213:16 214:7 216:141 217:11
218:22 219:6 220:16 222:5 223:3
End of report
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