[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Apr 18 22:10:41 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Thu 18 Apr, 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: 25481
Prefixes after maximum aggregation (per Origin AS): 12700
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 14377
Number of IPv4 prefixes with a valid ROA: 12497
Number of IPv4 prefixes with an invalid ROA: 144
Number of IPv4 prefixes with no ROA: 12840
Total ASes present in the Internet Routing Table: 2786
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 2410
Origin ASes announcing only one prefix: 1066
Transit ASes present in the Internet Routing Table: 376
Transit-only ASes present in the Internet Routing Table: 65
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: 18
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: 44183
Number of 32-bit ASNs visible in the Routing Table: 673
Prefixes from 32-bit ASNs in the Routing Table: 4657
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: 7
Number of addresses announced to Internet: 239950687
Equivalent to 14 /8s, 77 /16s and 91 /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: 3261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4791
Total APNIC prefixes after maximum aggregation: 2341
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4839
Unique aggregates announced from the APNIC address blocks: 2721
APNIC Region origin ASes present in the Internet Routing Table: 590
APNIC Prefixes per ASN: 8.20
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 231
Number of APNIC addresses announced to Internet: 45739072
Equivalent to 2 /8s, 185 /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: 14783
Total ARIN prefixes after maximum aggregation: 6662
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 14561
Unique aggregates announced from the ARIN address blocks: 7447
ARIN Region origin ASes present in the Internet Routing Table: 1242
ARIN Prefixes per ASN: 11.72
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 158
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: 203
Number of ARIN addresses announced to Internet: 129744641
Equivalent to 7 /8s, 187 /16s and 191 /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: 3610
Total RIPE prefixes after maximum aggregation: 2878
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3783
Unique aggregates announced from the RIPE address blocks: 3163
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.54
RIPE Region origin ASes announcing only one prefix: 308
RIPE Region transit ASes present in the Internet Routing Table: 103
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: 153
Number of RIPE addresses announced to Internet: 57667472
Equivalent to 3 /8s, 111 /16s and 239 /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: 1480
Total LACNIC prefixes after maximum aggregation: 644
LACNIC Deaggregation factor: 2.30
Prefixes being announced from the LACNIC address blocks: 1485
Unique aggregates announced from the LACNIC address blocks: 826
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 9.40
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4293774
Equivalent to 0 /8s, 65 /16s and 132 /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: 804
Total AfriNIC prefixes after maximum aggregation: 164
AfriNIC Deaggregation factor: 4.90
Prefixes being announced from the AfriNIC address blocks: 806
Unique aggregates announced from the AfriNIC address blocks: 214
AfriNIC Region origin ASes present in the Internet Routing Table: 45
AfriNIC Prefixes per ASN: 17.91
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 23
Number of AfriNIC addresses announced to Internet: 2496512
Equivalent to 0 /8s, 38 /16s and 24 /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 442 180 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/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2758 3638 411 GOOGLE-CLOUD-PLATFORM, US
16509 2172 1676 937 AMAZON-02, US
14618 894 4164 675 AMAZON-AES, US
15169 839 1997 61 GOOGLE, 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
2152 149 507 94 CSUNET-NW, 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
786 186 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/CEDIA/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 117 25 54 Red Universitaria Nacional, CL
27947 103 0 82 Telconet S.A, EC
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
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 202 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 46 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
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
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 2758 3638 411 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
7497 442 180 24 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
36914 202 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 2172 1235 AMAZON-02, US
15169 839 778 GOOGLE, US
7497 442 418 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
14618 894 219 AMAZON-AES, US
36914 202 199 KENET-AS, KE
5786 197 196 UPRENET, PR
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/CEDIA/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/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
199.91.149.0/24 Origin: 14618 AMAZON-AES, US
199.91.149.0/24 Transit: 16509 AMAZON-02, US
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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 /16:2107 /17:509 /18:506
/19:731 /20:2792 /21:1057 /22:1685 /23:1754 /24:13682
/25:78 /26:53 /27:72 /28:21 /29:71 /30:31
/31:27 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 320 2172 AMAZON-02, US
14618 294 894 AMAZON-AES, US
15169 278 839 GOOGLE, US
396982 215 2758 GOOGLE-CLOUD-PLATFORM, US
36914 189 202 KENET-AS, KE
8895 156 161 ISU Internet Services Unit ISU, SA
32440 87 120 LONI, US
27947 84 103 Telconet S.A, EC
23024 51 108 OCDE, US
327700 40 46 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:86 5:21 8:28 12:1 13:45
14:91 15:71 16:112 18:66 23:109 24:3
31:3 34:25 35:51 38:10 40:5 41:119
42:10 43:2 44:8 45:58 46:11 47:1
49:9 50:3 52:551 54:163 59:19 60:6
61:3 62:9 63:36 64:161 65:12 66:81
67:64 68:14 69:40 70:44 71:3 72:11
74:147 75:1 76:47 77:13 78:3 79:10
80:13 81:25 82:7 83:7 84:10 85:32
86:5 87:4 88:1 89:21 91:60 92:5
93:4 94:2 95:2 96:7 97:1 98:11
99:47 101:3 102:10 103:351 104:227 107:34
108:107 109:10 111:16 114:32 115:1 116:10
117:61 118:33 119:20 121:26 122:8 123:8
124:42 125:5 128:84 129:39 130:138 131:65
132:66 133:157 134:110 135:3 136:297 137:65
138:58 139:17 140:41 141:6 142:276 143:24
144:40 145:3 146:145 147:69 148:201 149:18
150:43 151:18 152:135 153:14 154:30 155:75
156:141 157:28 158:42 159:148 160:30 161:27
162:99 163:80 164:24 165:61 166:1 167:23
168:155 169:10 170:152 171:1 172:114 173:116
174:2 175:25 176:10 177:6 178:1 179:10
180:15 182:9 184:2 185:109 186:3 187:18
188:18 189:3 190:2 191:13 192:1512 193:284
194:128 195:73 196:155 197:118 198:481 199:304
200:252 201:34 202:639 203:432 204:370 205:154
206:198 207:184 208:146 209:173 210:206 211:14
212:163 213:16 216:182 217:13 218:22 219:5
220:17 222:2 223:14
End of report
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