[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 15 22:10:44 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Sat 15 Jun, 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: 25346
Prefixes after maximum aggregation (per Origin AS): 12606
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 14219
Number of IPv4 prefixes with a valid ROA: 12816
Number of IPv4 prefixes with an invalid ROA: 173
Number of IPv4 prefixes with no ROA: 12357
Total ASes present in the Internet Routing Table: 2726
Prefixes per ASN: 9.30
Origin-only ASes present in the Internet Routing Table: 2355
Origin ASes announcing only one prefix: 1038
Transit ASes present in the Internet Routing Table: 371
Transit-only ASes present in the Internet Routing Table: 68
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 (395156) 12
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: 44765
Number of 32-bit ASNs visible in the Routing Table: 646
Prefixes from 32-bit ASNs in the Routing Table: 4643
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: 6
Number of addresses announced to Internet: 237157217
Equivalent to 14 /8s, 34 /16s and 187 /24s
Percentage of available address space announced: 6.4
Percentage of allocated address space announced: 6.4
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: 3390
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4598
Total APNIC prefixes after maximum aggregation: 2274
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4660
Unique aggregates announced from the APNIC address blocks: 2612
APNIC Region origin ASes present in the Internet Routing Table: 548
APNIC Prefixes per ASN: 8.50
APNIC Region origin ASes announcing only one prefix: 234
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 211
Number of APNIC addresses announced to Internet: 45679424
Equivalent to 2 /8s, 185 /16s and 3 /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: 14789
Total ARIN prefixes after maximum aggregation: 6677
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 14538
Unique aggregates announced from the ARIN address blocks: 7446
ARIN Region origin ASes present in the Internet Routing Table: 1247
ARIN Prefixes per ASN: 11.66
ARIN Region origin ASes announcing only one prefix: 440
ARIN Region transit ASes present in the Internet Routing Table: 156
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 211
Number of ARIN addresses announced to Internet: 127235857
Equivalent to 7 /8s, 149 /16s and 119 /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: 3616
Total RIPE prefixes after maximum aggregation: 2862
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3793
Unique aggregates announced from the RIPE address blocks: 3145
RIPE Region origin ASes present in the Internet Routing Table: 678
RIPE Prefixes per ASN: 5.59
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 154
Number of RIPE addresses announced to Internet: 57672848
Equivalent to 3 /8s, 112 /16s and 4 /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: 1486
Total LACNIC prefixes after maximum aggregation: 642
LACNIC Deaggregation factor: 2.31
Prefixes being announced from the LACNIC address blocks: 1491
Unique aggregates announced from the LACNIC address blocks: 814
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 9.62
LACNIC Region origin ASes announcing only one prefix: 47
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: 61
Number of LACNIC addresses announced to Internet: 4147328
Equivalent to 0 /8s, 63 /16s and 72 /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: 856
Total AfriNIC prefixes after maximum aggregation: 150
AfriNIC Deaggregation factor: 5.71
Prefixes being announced from the AfriNIC address blocks: 858
Unique aggregates announced from the AfriNIC address blocks: 196
AfriNIC Region origin ASes present in the Internet Routing Table: 29
AfriNIC Prefixes per ASN: 29.59
AfriNIC Region origin ASes announcing only one prefix: 13
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2418432
Equivalent to 0 /8s, 36 /16s and 231 /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 2162 466 SINET-AS Research Organization of Infor
7497 442 180 24 UNASSIGNED
1237 193 74 142 UNASSIGNED
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 UNASSIGNED
55824 132 19 20 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Rese
9411 82 16 2 UNASSIGNED
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNASSIGNED
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 2760 3620 409 GOOGLE-CLOUD-PLATFORM, US
16509 2209 1724 970 AMAZON-02, US
14618 932 4169 708 AMAZON-AES, US
15169 824 1997 63 GOOGLE, US
376 203 162 152 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
36492 165 12 38 GOOGLEWIFI, US
2152 149 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, 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
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 178 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 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 76 26 66 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 156 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 118 25 55 Red Universitaria Nacional, CL
27947 116 0 88 Telconet S.A, EC
271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blume
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 381 319 71 TENET-1, ZA
36914 245 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
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 2760 3620 409 GOOGLE-CLOUD-PLATFORM, US
16509 2209 1724 970 AMAZON-02, US
14618 932 4169 708 AMAZON-AES, US
15169 824 1997 63 GOOGLE, US
2907 600 2162 466 SINET-AS Research Organization of Infor
7497 442 180 24 UNASSIGNED
2018 381 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
36914 245 82 3 KENET-AS, KE
376 203 162 152 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 2209 1239 AMAZON-02, US
15169 824 761 GOOGLE, US
7497 442 418 UNASSIGNED
2018 381 310 TENET-1, ZA
36914 245 242 KENET-AS, KE
14618 932 224 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
8895 178 173 ISU Internet Services Unit ISU, SA
2920 175 168 LACOE, US
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
26971 UNALLOCATED 129.111.0.0/16 276 UNASSIGNED
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
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 UNASSIGNED
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/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 /14:79 /15:160 /16:2074 /17:505 /18:498
/19:734 /20:2802 /21:1035 /22:1655 /23:1729 /24:13615
/25:85 /26:55 /27:82 /28:21 /29:78 /30:34
/31:37 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 327 2209 AMAZON-02, US
14618 307 932 AMAZON-AES, US
15169 275 824 GOOGLE, US
36914 232 245 KENET-AS, KE
396982 222 2760 GOOGLE-CLOUD-PLATFORM, US
8895 173 178 ISU Internet Services Unit ISU, SA
27947 91 116 Telconet S.A, EC
32440 85 119 LONI, US
23024 49 106 OCDE, US
327700 38 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 5:21 8:28 12:1 13:45
14:91 15:71 16:115 18:70 23:109 24:3
31:3 34:23 35:49 36:1 38:10 40:5
41:195 42:10 43:2 44:7 45:58 46:11
47:1 49:9 50:5 52:552 54:163 57:1
59:19 60:6 61:3 62:9 63:36 64:159
65:16 66:83 67:64 68:15 69:44 70:43
71:3 72:11 74:151 75:1 76:47 77:12
78:3 79:10 80:15 81:24 82:6 83:7
84:7 85:34 86:5 87:4 88:1 89:21
91:58 92:5 93:5 94:2 95:2 96:2
97:1 98:10 99:47 101:2 102:6 103:287
104:226 107:35 108:105 109:12 114:32 115:1
116:10 117:62 118:34 119:21 121:11 122:7
123:8 124:41 125:5 128:83 129:44 130:138
131:65 132:66 133:157 134:108 135:3 136:298
137:66 138:59 139:17 140:42 141:7 142:265
143:25 144:41 145:3 146:145 147:75 148:202
149:17 150:42 151:21 152:139 153:15 154:37
155:78 156:136 157:30 158:42 159:154 160:30
161:29 162:105 163:66 164:24 165:66 166:1
167:24 168:157 169:10 170:154 171:1 172:113
173:116 174:2 175:18 176:10 177:4 178:1
179:8 180:15 182:1 184:2 185:109 186:3
187:18 188:18 189:3 190:3 191:13 192:1426
193:277 194:125 195:72 196:153 197:113 198:465
199:320 200:247 201:34 202:617 203:430 204:381
205:154 206:201 207:235 208:145 209:176 210:195
211:14 212:167 213:17 216:192 217:13 218:22
219:5 220:17 222:2 223:14
End of report
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