[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 22 22:15:43 UTC 2024
IPv4 R&E Routing Table Report 22:15 GMT Sat 22 Jun, 2024
IPv4 BGP Table (R&E) as seen at RedCLARA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/RedCLARA/
Analysis Summary
----------------
BGP routing table entries examined: 26217
Prefixes after maximum aggregation (per Origin AS): 13157
Deaggregation factor: 1.99
Unique aggregates announced (without unneeded subnets): 14840
Number of IPv4 prefixes with a valid ROA: 13461
Number of IPv4 prefixes with an invalid ROA: 8
Number of IPv4 prefixes with no ROA: 12748
Total ASes present in the Internet Routing Table: 2739
Prefixes per ASN: 9.57
Origin-only ASes present in the Internet Routing Table: 2373
Origin ASes announcing only one prefix: 1048
Transit ASes present in the Internet Routing Table: 366
Transit-only ASes present in the Internet Routing Table: 60
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 15
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 44835
Number of 32-bit ASNs visible in the Routing Table: 650
Prefixes from 32-bit ASNs in the Routing Table: 4653
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: 6
Number of addresses announced to Internet: 297605856
Equivalent to 17 /8s, 189 /16s and 26 /24s
Percentage of available address space announced: 8.0
Percentage of allocated address space announced: 8.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 3592
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4593
Total APNIC prefixes after maximum aggregation: 2280
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4708
Unique aggregates announced from the APNIC address blocks: 2696
APNIC Region origin ASes present in the Internet Routing Table: 548
APNIC Prefixes per ASN: 8.59
APNIC Region origin ASes announcing only one prefix: 231
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 209
Number of APNIC addresses announced to Internet: 47114560
Equivalent to 2 /8s, 206 /16s and 233 /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, 131072-153913
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: 15573
Total ARIN prefixes after maximum aggregation: 7315
ARIN Deaggregation factor: 2.13
Prefixes being announced from the ARIN address blocks: 15101
Unique aggregates announced from the ARIN address blocks: 7891
ARIN Region origin ASes present in the Internet Routing Table: 1265
ARIN Prefixes per ASN: 11.94
ARIN Region origin ASes announcing only one prefix: 445
ARIN Region transit ASes present in the Internet Routing Table: 162
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 213
Number of ARIN addresses announced to Internet: 172281840
Equivalent to 10 /8s, 68 /16s and 207 /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, 393216-402332
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: 3612
Total RIPE prefixes after maximum aggregation: 2867
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3950
Unique aggregates announced from the RIPE address blocks: 3312
RIPE Region origin ASes present in the Internet Routing Table: 675
RIPE Prefixes per ASN: 5.85
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 102
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 153
Number of RIPE addresses announced to Internet: 70960272
Equivalent to 4 /8s, 58 /16s and 196 /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
196608-216475
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: 1379
Total LACNIC prefixes after maximum aggregation: 543
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1387
Unique aggregates announced from the LACNIC address blocks: 734
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.67
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4695328
Equivalent to 0 /8s, 71 /16s and 165 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1059
Total AfriNIC prefixes after maximum aggregation: 151
AfriNIC Deaggregation factor: 7.01
Prefixes being announced from the AfriNIC address blocks: 1065
Unique aggregates announced from the AfriNIC address blocks: 201
AfriNIC Region origin ASes present in the Internet Routing Table: 30
AfriNIC Prefixes per ASN: 35.50
AfriNIC Region origin ASes announcing only one prefix: 14
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 3.2
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10
Number of AfriNIC addresses announced to Internet: 2550528
Equivalent to 0 /8s, 38 /16s and 235 /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 600 2160 464 SINET-AS Research Organization of Infor
7497 444 180 24 CSTNET-AS-AP Computer Network Informati
1237 193 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Rese
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2766 3611 414 GOOGLE-CLOUD-PLATFORM, US
16509 2214 1729 976 AMAZON-02, US
14618 932 4173 708 AMAZON-AES, US
15169 829 2007 68 GOOGLE, US
8075 501 13697 419 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
270 162 345 88 AS270, US
2152 149 507 94 CSUNET-NW, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 250 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 178 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 76 26 66 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 156 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 109 25 52 Red Universitaria Nacional, CL
271640 64 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 44 5 15 CEDIA, EC
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 447 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2766 3611 414 GOOGLE-CLOUD-PLATFORM, US
16509 2214 1729 976 AMAZON-02, US
14618 932 4173 708 AMAZON-AES, US
15169 829 2007 68 GOOGLE, US
2907 600 2160 464 SINET-AS Research Organization of Infor
8075 501 13697 419 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 447 82 3 KENET-AS, KE
7497 444 180 24 CSTNET-AS-AP Computer Network Informati
2018 381 319 71 TENET-1, ZA
680 283 1899 250 DFN Verein zur Foerderung eines Deutsch
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2214 1238 AMAZON-02, US
15169 829 761 GOOGLE, US
36914 447 444 KENET-AS, KE
7497 444 420 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
14618 932 224 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
8895 178 173 ISU Internet Services Unit ISU, SA
2920 175 168 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
199.91.149.0/24 Origin: 14618 AMAZON-AES, US
199.91.149.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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 /10:3 /11:10 /12:33
/13:47 /14:106 /15:193 /16:2174 /17:532 /18:514
/19:746 /20:2820 /21:1077 /22:1627 /23:1757 /24:14344
/25:79 /26:49 /27:78 /28:7 /29:14 /30:3
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 437 447 KENET-AS, KE
16509 328 2214 AMAZON-02, US
14618 305 932 AMAZON-AES, US
15169 275 829 GOOGLE, US
396982 222 2766 GOOGLE-CLOUD-PLATFORM, US
8895 173 178 ISU Internet Services Unit ISU, SA
8075 110 501 MICROSOFT-CORP-MSN-AS-BLOCK, US
32440 82 116 LONI, US
23024 49 106 OCDE, US
327700 38 43 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 3:85 5:22 8:28 12:1
13:77 14:91 15:71 16:115 18:70 23:110
24:3 31:3 34:23 35:49 36:1 38:10
40:5 41:196 42:10 43:2 44:7 45:74
46:12 47:1 49:10 50:4 52:557 54:163
57:1 59:19 60:6 61:3 62:16 63:37
64:164 65:16 66:75 67:66 68:15 69:52
70:43 71:3 72:12 74:153 75:1 76:45
77:12 78:3 79:10 80:15 81:25 82:6
83:7 84:6 85:34 86:5 87:4 88:1
89:20 91:63 92:7 93:5 94:6 95:3
96:7 97:1 98:10 99:47 101:2 102:8
103:304 104:228 107:35 108:106 109:12 111:1
113:4 114:32 115:1 116:10 117:62 118:34
119:23 121:11 122:8 123:8 124:41 125:5
128:84 129:45 130:149 131:73 132:66 133:157
134:108 135:6 136:299 137:68 138:62 139:17
140:42 141:8 142:268 143:29 144:43 145:7
146:137 147:78 148:202 149:17 150:47 151:27
152:140 153:15 154:37 155:84 156:141 157:32
158:42 159:155 160:30 161:37 162:79 163:66
164:30 165:66 166:1 167:27 168:157 169:10
170:164 171:1 172:113 173:117 174:2 175:18
176:11 177:6 178:2 179:14 180:15 181:1
182:1 184:7 185:135 186:3 187:17 188:19
189:3 190:18 191:13 192:1556 193:281 194:136
195:77 196:153 197:317 198:496 199:344 200:254
201:37 202:621 203:440 204:390 205:159 206:215
207:235 208:152 209:179 210:195 211:14 212:170
213:19 216:200 217:14 218:22 219:5 220:17
222:2 223:14
End of report
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