[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 12 22:10:41 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Tue 12 Mar, 2024
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25597
Prefixes after maximum aggregation (per Origin AS): 12691
Deaggregation factor: 2.02
Unique aggregates announced (without unneeded subnets): 14358
Number of IPv4 prefixes with a valid ROA: 12632
Number of IPv4 prefixes with an invalid ROA: 266
Number of IPv4 prefixes with no ROA: 12699
Total ASes present in the Internet Routing Table: 2781
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 2396
Origin ASes announcing only one prefix: 1062
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 73
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 10
Number of instances of unregistered ASNs: 10
Number of 32-bit ASNs allocated by the RIRs: 43825
Number of 32-bit ASNs visible in the Routing Table: 667
Prefixes from 32-bit ASNs in the Routing Table: 4844
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: 3
Number of addresses announced to Internet: 240116075
Equivalent to 14 /8s, 79 /16s and 225 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 3323
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4820
Total APNIC prefixes after maximum aggregation: 2319
APNIC Deaggregation factor: 2.08
Prefixes being announced from the APNIC address blocks: 4872
Unique aggregates announced from the APNIC address blocks: 2698
APNIC Region origin ASes present in the Internet Routing Table: 573
APNIC Prefixes per ASN: 8.50
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 5.9
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 45659712
Equivalent to 2 /8s, 184 /16s and 182 /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: 14631
Total ARIN prefixes after maximum aggregation: 6612
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 14415
Unique aggregates announced from the ARIN address blocks: 7417
ARIN Region origin ASes present in the Internet Routing Table: 1243
ARIN Prefixes per ASN: 11.60
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 169
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 204
Number of ARIN addresses announced to Internet: 129762817
Equivalent to 7 /8s, 188 /16s and 6 /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: 3633
Total RIPE prefixes after maximum aggregation: 2901
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3798
Unique aggregates announced from the RIPE address blocks: 3152
RIPE Region origin ASes present in the Internet Routing Table: 679
RIPE Prefixes per ASN: 5.59
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 147
Number of RIPE addresses announced to Internet: 57742224
Equivalent to 3 /8s, 113 /16s and 19 /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: 1525
Total LACNIC prefixes after maximum aggregation: 678
LACNIC Deaggregation factor: 2.25
Prefixes being announced from the LACNIC address blocks: 1530
Unique aggregates announced from the LACNIC address blocks: 864
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 9.33
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 29
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4303770
Equivalent to 0 /8s, 65 /16s and 171 /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: 978
Total AfriNIC prefixes after maximum aggregation: 173
AfriNIC Deaggregation factor: 5.65
Prefixes being announced from the AfriNIC address blocks: 979
Unique aggregates announced from the AfriNIC address blocks: 224
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 20.83
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2646784
Equivalent to 0 /8s, 40 /16s and 99 /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 441 180 23 CSTNET-AS-AP Computer Network Informati
1237 194 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 116 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 129 19 19 NKN-CORE-NW NKN Core Network, IN
18125 87 16 1 MAFFIN Ministry of Agriculture, Forestr
4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2755 3638 405 GOOGLE-CLOUD-PLATFORM, US
16509 2142 1671 918 AMAZON-02, US
14618 871 4163 656 AMAZON-AES, US
15169 834 1997 60 GOOGLE, US
376 201 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
36492 165 12 38 GOOGLEWIFI, US
2152 145 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
786 184 1767 181 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 44 68 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 174 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
27947 120 0 90 Telconet S.A, EC
11340 117 25 54 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
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/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 380 319 71 TENET-1, ZA
36914 207 82 3 KENET-AS, KE
327687 158 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2755 3638 405 GOOGLE-CLOUD-PLATFORM, US
16509 2142 1671 918 AMAZON-02, US
14618 871 4163 656 AMAZON-AES, US
15169 834 1997 60 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Infor
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
36914 207 82 3 KENET-AS, KE
376 201 162 151 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2142 1224 AMAZON-02, US
15169 834 774 GOOGLE, US
7497 441 418 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
14618 871 215 AMAZON-AES, US
36914 207 204 KENET-AS, KE
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
8895 161 156 ISU Internet Services Unit ISU, SA
327687 158 155 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
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
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /10:1 /11:4 /12:19
/13:35 /14:81 /15:160 /16:2103 /17:512 /18:498
/19:730 /20:2792 /21:1057 /22:1686 /23:1764 /24:13730
/25:95 /26:66 /27:71 /28:29 /29:81 /30:37
/31:37 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 318 2142 AMAZON-02, US
14618 289 871 AMAZON-AES, US
15169 275 834 GOOGLE, US
396982 209 2755 GOOGLE-CLOUD-PLATFORM, US
36914 194 207 KENET-AS, KE
8895 156 161 ISU Internet Services Unit ISU, SA
27947 95 120 Telconet S.A, EC
32440 80 113 LONI, US
23024 52 106 OCDE, US
327700 37 43 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:85 5:20 8:28 12:1 13:45
14:89 15:68 16:112 18:66 23:109 24:3
31:3 34:24 35:51 38:9 40:5 41:119
42:10 43:2 44:8 45:58 46:11 47:1
49:9 50:3 52:550 54:163 59:19 60:6
61:3 62:9 63:36 64:158 65:13 66:81
67:63 68:14 69:40 70:44 71:3 72:11
74:146 75:1 76:47 77:13 78:3 79:10
80:13 81:26 82:4 83:7 84:10 85:47
86:4 87:4 88:1 89:20 91:58 92:5
93:5 94:2 95:2 96:7 97:1 98:11
99:45 101:3 102:36 103:343 104:218 107:34
108:105 109:10 111:16 114:32 115:1 116:10
117:61 118:33 119:20 121:27 122:8 123:8
124:42 125:5 128:85 129:44 130:138 131:65
132:59 133:157 134:110 135:3 136:298 137:149
138:58 139:17 140:37 141:6 142:286 143:23
144:40 145:3 146:145 147:68 148:203 149:16
150:99 151:16 152:136 153:14 154:29 155:74
156:69 157:24 158:42 159:148 160:30 161:28
162:93 163:87 164:24 165:56 166:1 167:25
168:151 169:11 170:145 171:1 172:114 173:117
174:2 175:25 176:10 177:6 178:1 179:9
180:15 182:1 184:2 185:105 186:3 187:17
188:19 189:3 190:2 191:13 192:1507 193:283
194:129 195:71 196:202 197:121 198:484 199:314
200:263 201:34 202:625 203:423 204:370 205:150
206:197 207:172 208:143 209:169 210:195 211:14
212:163 213:15 216:178 217:13 218:22 219:5
220:17 222:2 223:14
End of report
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