[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Oct 24 22:15:51 UTC 2024
IPv4 R&E Routing Table Report 22:15 GMT Thu 24 Oct, 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: 27477
Prefixes after maximum aggregation (per Origin AS): 13621
Deaggregation factor: 2.02
Unique aggregates announced (without unneeded subnets): 15421
Number of IPv4 prefixes with a valid ROA: 15572
Number of IPv4 prefixes with an invalid ROA: 14
Number of IPv4 prefixes with no ROA: 11891
Total ASes present in the Internet Routing Table: 2800
Prefixes per ASN: 9.81
Origin-only ASes present in the Internet Routing Table: 2422
Origin ASes announcing only one prefix: 1072
Transit ASes present in the Internet Routing Table: 378
Transit-only ASes present in the Internet Routing Table: 63
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 28
Max AS path prepend of ASN (138136) 20
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: 45616
Number of 32-bit ASNs visible in the Routing Table: 695
Prefixes from 32-bit ASNs in the Routing Table: 4912
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: 10
Number of addresses announced to Internet: 308640688
Equivalent to 18 /8s, 101 /16s and 123 /24s
Percentage of available address space announced: 8.3
Percentage of allocated address space announced: 8.3
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: 3781
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4749
Total APNIC prefixes after maximum aggregation: 2319
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4864
Unique aggregates announced from the APNIC address blocks: 2786
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.36
APNIC Region origin ASes announcing only one prefix: 241
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 229
Number of APNIC addresses announced to Internet: 47381056
Equivalent to 2 /8s, 210 /16s and 250 /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: 16481
Total ARIN prefixes after maximum aggregation: 7697
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 15846
Unique aggregates announced from the ARIN address blocks: 8200
ARIN Region origin ASes present in the Internet Routing Table: 1274
ARIN Prefixes per ASN: 12.44
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 217
Number of ARIN addresses announced to Internet: 172938400
Equivalent to 10 /8s, 78 /16s and 212 /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: 3624
Total RIPE prefixes after maximum aggregation: 2903
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 4121
Unique aggregates announced from the RIPE address blocks: 3499
RIPE Region origin ASes present in the Internet Routing Table: 675
RIPE Prefixes per ASN: 6.11
RIPE Region origin ASes announcing only one prefix: 299
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 159
Number of RIPE addresses announced to Internet: 80889488
Equivalent to 4 /8s, 210 /16s and 70 /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: 1503
Total LACNIC prefixes after maximum aggregation: 539
LACNIC Deaggregation factor: 2.79
Prefixes being announced from the LACNIC address blocks: 1511
Unique aggregates announced from the LACNIC address blocks: 729
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 9.69
LACNIC Region origin ASes announcing only one prefix: 53
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 3.8
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4759616
Equivalent to 0 /8s, 72 /16s and 160 /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: 1119
Total AfriNIC prefixes after maximum aggregation: 162
AfriNIC Deaggregation factor: 6.91
Prefixes being announced from the AfriNIC address blocks: 1125
Unique aggregates announced from the AfriNIC address blocks: 198
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 22.96
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2660096
Equivalent to 0 /8s, 40 /16s and 151 /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 2170 465 SINET-AS Research Organization of Informa
7497 449 212 25 CSTNET-AS-AP Computer Network Information
1237 193 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
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 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US
16509 2358 1747 1053 AMAZON-02, US
14618 1007 4438 759 AMAZON-AES, US
15169 890 2007 68 GOOGLE, US
8075 677 16046 571 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 432 507 97 CENIC-2152, US
2920 224 44 45 LACOE, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 140 18 4 NETBLK-RCOEK, 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 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 76 26 66 NIKS, 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 280 178 44 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
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 516 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 37 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
37074 15 8 2 UG-AS, GH
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 5 0 5 RwEdNet-AS, RW
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 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US
16509 2358 1747 1053 AMAZON-02, US
14618 1007 4438 759 AMAZON-AES, US
15169 890 2007 68 GOOGLE, US
8075 677 16046 571 MICROSOFT-CORP-MSN-AS-BLOCK, US
2907 600 2170 465 SINET-AS Research Organization of Informa
36914 516 82 3 KENET-AS, KE
7497 449 212 25 CSTNET-AS-AP Computer Network Information
2152 432 507 97 CENIC-2152, US
2018 381 319 71 TENET-1, ZA
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 2358 1305 AMAZON-02, US
15169 890 822 GOOGLE, US
36914 516 513 KENET-AS, KE
7497 449 424 CSTNET-AS-AP Computer Network Information Cente
2152 432 335 CENIC-2152, US
2018 381 310 TENET-1, ZA
14618 1007 248 AMAZON-AES, US
1916 280 236 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
2920 224 179 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
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av
103.177.50.0/23 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US
103.177.50.0/23 Transit: 15169 GOOGLE, US
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
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 /12:34
/13:50 /14:107 /15:198 /16:2289 /17:553 /18:529
/19:766 /20:2818 /21:1134 /22:1730 /23:1870 /24:15206
/25:47 /26:69 /27:37 /28:6 /29:14 /30:3
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 495 516 KENET-AS, KE
16509 387 2358 AMAZON-02, US
14618 324 1007 AMAZON-AES, US
15169 268 890 GOOGLE, US
396982 254 2866 GOOGLE-CLOUD-PLATFORM, US
8895 128 133 ISU Internet Services Unit ISU, SA
8075 118 677 MICROSOFT-CORP-MSN-AS-BLOCK, US
1916 70 280 Rede Nacional de Ensino e Pesquisa, BR
2152 40 432 CENIC-2152, US
23024 37 95 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 3:103 5:23 8:28 12:1
13:80 14:92 15:73 16:119 18:84 23:111
24:3 31:5 34:22 35:49 36:1 37:8
38:10 40:5 41:241 42:11 43:2 44:6
45:77 46:11 47:1 49:11 50:7 52:556
54:163 57:5 59:19 60:6 61:3 62:17
63:37 64:156 65:19 66:87 67:69 68:17
69:49 70:42 71:3 72:15 74:157 75:1
76:47 77:12 78:3 79:10 80:13 81:26
82:7 83:7 84:6 85:50 86:5 87:4
88:1 89:20 91:63 92:9 93:46 94:6
95:3 96:7 97:1 98:11 99:48 101:2
102:14 103:361 104:225 107:37 108:113 109:7
111:21 113:6 114:32 115:1 116:11 117:62
118:36 119:23 121:28 122:8 123:8 124:42
125:5 128:54 129:41 130:151 131:70 132:52
133:154 134:108 135:7 136:304 137:102 138:66
139:18 140:40 141:10 142:324 143:31 144:47
145:7 146:137 147:78 148:203 149:17 150:47
151:38 152:152 153:14 154:38 155:92 156:142
157:37 158:41 159:156 160:31 161:40 162:88
163:66 164:27 165:67 166:5 167:40 168:173
169:13 170:166 171:1 172:115 173:112 174:2
175:16 176:3 177:6 178:3 179:13 180:16
181:1 182:9 184:8 185:140 186:3 187:21
188:19 189:3 190:18 191:13 192:1541 193:297
194:135 195:55 196:149 197:313 198:576 199:347
200:332 201:37 202:648 203:451 204:430 205:190
206:233 207:314 208:156 209:229 210:218 211:3
212:175 213:21 216:211 217:14 218:21 219:5
220:17 222:2 223:15
End of report
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