[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Apr 22 22:15:43 UTC 2024
IPv4 R&E Routing Table Report 22:15 GMT Mon 22 Apr, 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: 25884
Prefixes after maximum aggregation (per Origin AS): 13046
Deaggregation factor: 1.98
Unique aggregates announced (without unneeded subnets): 14755
Number of IPv4 prefixes with a valid ROA: 13069
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 12808
Total ASes present in the Internet Routing Table: 2783
Prefixes per ASN: 9.30
Origin-only ASes present in the Internet Routing Table: 2409
Origin ASes announcing only one prefix: 1062
Transit ASes present in the Internet Routing Table: 374
Transit-only ASes present in the Internet Routing Table: 67
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: 20
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 13
Number of instances of unregistered ASNs: 13
Number of 32-bit ASNs allocated by the RIRs: 44225
Number of 32-bit ASNs visible in the Routing Table: 663
Prefixes from 32-bit ASNs in the Routing Table: 4618
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: 4
Number of addresses announced to Internet: 295940168
Equivalent to 17 /8s, 163 /16s and 176 /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: 3261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4756
Total APNIC prefixes after maximum aggregation: 2328
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4855
Unique aggregates announced from the APNIC address blocks: 2741
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 8.30
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 226
Number of APNIC addresses announced to Internet: 47246400
Equivalent to 2 /8s, 208 /16s and 236 /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: 15327
Total ARIN prefixes after maximum aggregation: 7116
ARIN Deaggregation factor: 2.15
Prefixes being announced from the ARIN address blocks: 14907
Unique aggregates announced from the ARIN address blocks: 7741
ARIN Region origin ASes present in the Internet Routing Table: 1249
ARIN Prefixes per ASN: 11.94
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 204
Number of ARIN addresses announced to Internet: 171986416
Equivalent to 10 /8s, 64 /16s and 77 /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: 3609
Total RIPE prefixes after maximum aggregation: 2880
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3925
Unique aggregates announced from the RIPE address blocks: 3300
RIPE Region origin ASes present in the Internet Routing Table: 682
RIPE Prefixes per ASN: 5.76
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 153
Number of RIPE addresses announced to Internet: 69292176
Equivalent to 4 /8s, 33 /16s and 80 /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: 1406
Total LACNIC prefixes after maximum aggregation: 559
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1414
Unique aggregates announced from the LACNIC address blocks: 763
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 8.67
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 66
Number of LACNIC addresses announced to Internet: 4838280
Equivalent to 0 /8s, 73 /16s and 211 /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: 773
Total AfriNIC prefixes after maximum aggregation: 152
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 779
Unique aggregates announced from the AfriNIC address blocks: 206
AfriNIC Region origin ASes present in the Internet Routing Table: 34
AfriNIC Prefixes per ASN: 22.91
AfriNIC Region origin ASes announcing only one prefix: 18
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 2575872
Equivalent to 0 /8s, 39 /16s and 78 /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 601 2162 465 SINET-AS Research Organization of Infor
7497 443 180 24 CSTNET-AS-AP Computer Network Informati
1237 191 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 67 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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 2755 3638 408 GOOGLE-CLOUD-PLATFORM, US
16509 2172 1676 937 AMAZON-02, US
14618 894 4164 675 AMAZON-AES, US
15169 839 1997 61 GOOGLE, US
8075 471 13295 395 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2920 174 34 7 LACOE, US
36492 165 12 38 GOOGLEWIFI, US
270 162 345 88 AS270, 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
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 161 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 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 77 27 65 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 158 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 108 25 51 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 36 4 3 Universidad Autonoma Metropolitana, MX
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
2018 379 319 71 TENET-1, ZA
36914 196 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 47 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
36982 8 33 8 UCT, ZA
31960 5 1 1 EMUNET, MZ
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 2755 3638 408 GOOGLE-CLOUD-PLATFORM, US
16509 2172 1676 937 AMAZON-02, US
14618 894 4164 675 AMAZON-AES, US
15169 839 1997 61 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Infor
8075 471 13295 395 MICROSOFT-CORP-MSN-AS-BLOCK, US
7497 443 180 24 CSTNET-AS-AP Computer Network Informati
2018 379 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
376 201 162 151 RISQ-AS, CA
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 2172 1235 AMAZON-02, US
15169 839 778 GOOGLE, US
7497 443 419 CSTNET-AS-AP Computer Network Information Cente
2018 379 308 TENET-1, ZA
14618 894 219 AMAZON-AES, US
5786 197 196 UPRENET, PR
36914 196 193 KENET-AS, KE
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 174 167 LACOE, US
8895 161 156 ISU Internet Services Unit ISU, SA
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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
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 /12:32
/13:47 /14:105 /15:190 /16:2177 /17:531 /18:520
/19:735 /20:2802 /21:1071 /22:1703 /23:1766 /24:13969
/25:76 /26:49 /27:69 /28:7 /29:15 /30:3
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 319 2172 AMAZON-02, US
14618 292 894 AMAZON-AES, US
15169 278 839 GOOGLE, US
396982 215 2755 GOOGLE-CLOUD-PLATFORM, US
36914 183 196 KENET-AS, KE
8895 156 161 ISU Internet Services Unit ISU, SA
8075 103 471 MICROSOFT-CORP-MSN-AS-BLOCK, US
32440 87 120 LONI, US
23024 51 108 OCDE, US
327700 41 47 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 3:87 5:22 8:28 12:1
13:77 14:91 15:71 16:112 18:66 23:110
24:3 31:3 34:25 35:51 38:10 40:5
41:119 42:10 43:2 44:8 45:63 46:12
47:1 49:9 50:3 52:556 54:163 59:19
60:6 61:3 62:16 63:37 64:164 65:12
66:83 67:66 68:14 69:48 70:44 71:3
72:12 74:150 75:1 76:47 77:13 78:3
79:10 80:13 81:26 82:7 83:7 84:9
85:32 86:5 87:4 88:1 89:21 91:64
92:7 93:4 94:6 95:3 96:7 97:1
98:10 99:47 101:3 102:7 103:344 104:228
107:34 108:109 109:10 111:1 113:4 114:32
115:1 116:10 117:61 118:33 119:21 121:11
122:8 123:8 124:42 125:5 128:84 129:40
130:139 131:73 132:66 133:157 134:110 135:5
136:297 137:69 138:61 139:17 140:41 141:7
142:280 143:28 144:42 145:6 146:136 147:71
148:201 149:18 150:49 151:18 152:135 153:14
154:30 155:81 156:141 157:30 158:42 159:149
160:30 161:35 162:101 163:80 164:25 165:61
166:1 167:26 168:156 169:10 170:163 171:1
172:114 173:117 174:2 175:25 176:11 177:6
178:2 179:13 180:11 182:9 184:2 185:134
186:3 187:18 188:19 189:3 190:17 191:13
192:1539 193:287 194:136 195:77 196:153 197:111
198:494 199:328 200:263 201:37 202:639 203:437
204:379 205:158 206:199 207:185 208:153 209:173
210:206 211:14 212:168 213:17 216:189 217:14
218:22 219:5 220:17 222:2 223:14
End of report
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