[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Feb 12 22:10:44 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Mon 12 Feb, 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: 25684
Prefixes after maximum aggregation (per Origin AS): 12587
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 14253
Number of IPv4 prefixes with a valid ROA: 12811
Number of IPv4 prefixes with an invalid ROA: 182
Number of IPv4 prefixes with no ROA: 12691
Total ASes present in the Internet Routing Table: 2742
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 2356
Origin ASes announcing only one prefix: 1049
Transit ASes present in the Internet Routing Table: 386
Transit-only ASes present in the Internet Routing Table: 71
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 43611
Number of 32-bit ASNs visible in the Routing Table: 650
Prefixes from 32-bit ASNs in the Routing Table: 4804
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: 239391079
Equivalent to 14 /8s, 68 /16s and 209 /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: 3563
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4643
Total APNIC prefixes after maximum aggregation: 2267
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4695
Unique aggregates announced from the APNIC address blocks: 2632
APNIC Region origin ASes present in the Internet Routing Table: 538
APNIC Prefixes per ASN: 8.73
APNIC Region origin ASes announcing only one prefix: 230
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 204
Number of APNIC addresses announced to Internet: 45501760
Equivalent to 2 /8s, 182 /16s and 77 /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: 14641
Total ARIN prefixes after maximum aggregation: 6571
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14441
Unique aggregates announced from the ARIN address blocks: 7432
ARIN Region origin ASes present in the Internet Routing Table: 1238
ARIN Prefixes per ASN: 11.66
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 165
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: 202
Number of ARIN addresses announced to Internet: 129392513
Equivalent to 7 /8s, 182 /16s and 95 /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: 3591
Total RIPE prefixes after maximum aggregation: 2878
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3746
Unique aggregates announced from the RIPE address blocks: 3103
RIPE Region origin ASes present in the Internet Routing Table: 677
RIPE Prefixes per ASN: 5.53
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 148
Number of RIPE addresses announced to Internet: 57656976
Equivalent to 3 /8s, 111 /16s and 198 /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: 1519
Total LACNIC prefixes after maximum aggregation: 679
LACNIC Deaggregation factor: 2.24
Prefixes being announced from the LACNIC address blocks: 1523
Unique aggregates announced from the LACNIC address blocks: 856
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 9.34
LACNIC Region origin ASes announcing only one prefix: 55
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: 68
Number of LACNIC addresses announced to Internet: 4165654
Equivalent to 0 /8s, 63 /16s and 144 /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: 1275
Total AfriNIC prefixes after maximum aggregation: 180
AfriNIC Deaggregation factor: 7.08
Prefixes being announced from the AfriNIC address blocks: 1276
Unique aggregates announced from the AfriNIC address blocks: 227
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 24.54
AfriNIC Region origin ASes announcing only one prefix: 28
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2673408
Equivalent to 0 /8s, 40 /16s and 203 /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 439 180 23 CSTNET-AS-AP Computer Network Informati
1237 197 74 142 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 119 AARNET-AS-AP Australian Academic and Re
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 128 19 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 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/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2752 3639 394 GOOGLE-CLOUD-PLATFORM, US
16509 2173 1652 908 AMAZON-02, US
14618 856 4032 646 AMAZON-AES, US
15169 830 1997 60 GOOGLE, US
376 200 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
36492 165 12 38 GOOGLEWIFI, US
2152 144 507 93 CSUNET-NW, US
18558 141 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
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 160 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 117 0 88 Telconet S.A, EC
11340 116 25 53 Red Universitaria Nacional, CL
271640 68 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 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
36914 488 82 3 KENET-AS, KE
2018 382 319 71 TENET-1, ZA
327687 162 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 44 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
36982 8 33 8 UCT, ZA
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 2752 3639 394 GOOGLE-CLOUD-PLATFORM, US
16509 2173 1652 908 AMAZON-02, US
14618 856 4032 646 AMAZON-AES, US
15169 830 1997 60 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Infor
36914 488 82 3 KENET-AS, KE
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
2018 382 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
376 200 162 150 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 2173 1265 AMAZON-02, US
15169 830 770 GOOGLE, US
36914 488 485 KENET-AS, KE
7497 439 416 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
14618 856 210 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 162 159 RENU, UG
8895 160 155 ISU Internet Services Unit ISU, SA
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
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, 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
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
/13:34 /14:81 /15:160 /16:2099 /17:511 /18:500
/19:734 /20:2788 /21:1047 /22:1684 /23:1746 /24:13878
/25:84 /26:56 /27:75 /28:22 /29:80 /30:37
/31:35 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 473 488 KENET-AS, KE
16509 317 2173 AMAZON-02, US
14618 283 856 AMAZON-AES, US
15169 274 830 GOOGLE, US
396982 205 2752 GOOGLE-CLOUD-PLATFORM, US
8895 155 160 ISU Internet Services Unit ISU, SA
27947 94 117 Telconet S.A, EC
32440 80 112 LONI, US
23024 52 109 OCDE, US
327700 39 44 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:84 5:20 8:28 12:1 13:45
14:89 15:70 16:112 18:65 23:111 24:3
31:3 34:23 35:51 38:9 40:5 41:177
42:10 43:2 44:9 45:61 46:11 47:1
49:9 50:3 52:555 54:192 58:1 59:19
60:6 61:3 62:9 63:36 64:160 65:13
66:81 67:61 68:14 69:40 70:44 71:3
72:11 74:145 76:47 77:13 78:3 79:10
80:13 81:24 82:6 83:7 84:10 85:35
86:4 87:4 88:1 89:19 91:57 92:5
93:4 94:2 95:2 96:7 97:1 98:11
99:47 101:3 102:36 103:291 104:228 107:33
108:104 109:10 111:16 114:32 115:1 116:10
117:61 118:32 119:19 121:27 122:8 123:8
124:40 125:5 128:82 129:45 130:139 131:68
132:59 133:156 134:109 135:3 136:298 137:152
138:58 139:17 140:41 141:6 142:284 143:23
144:40 145:3 146:144 147:68 148:203 149:17
150:43 151:18 152:134 153:14 154:31 155:73
156:69 157:25 158:39 159:148 160:30 161:28
162:92 163:87 164:23 165:54 166:1 167:24
168:151 169:11 170:146 171:1 172:114 173:116
174:2 175:18 176:10 177:6 178:1 179:9
180:15 182:1 184:4 185:99 186:3 187:17
188:20 189:3 190:2 191:13 192:1494 193:279
194:124 195:72 196:203 197:337 198:480 199:308
200:267 201:34 202:626 203:426 204:371 205:149
206:195 207:171 208:138 209:166 210:196 211:14
212:161 213:16 216:175 217:13 218:22 219:5
220:17 222:2 223:14
End of report
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