[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 10 22:10:43 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Wed 10 Jul, 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: 25957
Prefixes after maximum aggregation (per Origin AS): 12928
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 14573
Number of IPv4 prefixes with a valid ROA: 12989
Number of IPv4 prefixes with an invalid ROA: 178
Number of IPv4 prefixes with no ROA: 12790
Total ASes present in the Internet Routing Table: 2793
Prefixes per ASN: 9.29
Origin-only ASes present in the Internet Routing Table: 2410
Origin ASes announcing only one prefix: 1065
Transit ASes present in the Internet Routing Table: 383
Transit-only ASes present in the Internet Routing Table: 74
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 ( 10497) 11
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: 44970
Number of 32-bit ASNs visible in the Routing Table: 669
Prefixes from 32-bit ASNs in the Routing Table: 4698
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: 9
Number of addresses announced to Internet: 240268888
Equivalent to 14 /8s, 82 /16s and 54 /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: 3576
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4730
Total APNIC prefixes after maximum aggregation: 2322
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4789
Unique aggregates announced from the APNIC address blocks: 2710
APNIC Region origin ASes present in the Internet Routing Table: 579
APNIC Prefixes per ASN: 8.27
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 225
Number of APNIC addresses announced to Internet: 45792064
Equivalent to 2 /8s, 186 /16s and 187 /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: 15055
Total ARIN prefixes after maximum aggregation: 6883
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 14798
Unique aggregates announced from the ARIN address blocks: 7627
ARIN Region origin ASes present in the Internet Routing Table: 1261
ARIN Prefixes per ASN: 11.74
ARIN Region origin ASes announcing only one prefix: 443
ARIN Region transit ASes present in the Internet Routing Table: 163
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: 212
Number of ARIN addresses announced to Internet: 130002161
Equivalent to 7 /8s, 191 /16s and 172 /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: 3605
Total RIPE prefixes after maximum aggregation: 2911
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3787
Unique aggregates announced from the RIPE address blocks: 3201
RIPE Region origin ASes present in the Internet Routing Table: 681
RIPE Prefixes per ASN: 5.56
RIPE Region origin ASes announcing only one prefix: 306
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: 155
Number of RIPE addresses announced to Internet: 57758352
Equivalent to 3 /8s, 113 /16s and 82 /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: 1502
Total LACNIC prefixes after maximum aggregation: 659
LACNIC Deaggregation factor: 2.28
Prefixes being announced from the LACNIC address blocks: 1508
Unique aggregates announced from the LACNIC address blocks: 829
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 9.08
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 4285847
Equivalent to 0 /8s, 65 /16s and 101 /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: 1064
Total AfriNIC prefixes after maximum aggregation: 152
AfriNIC Deaggregation factor: 7.00
Prefixes being announced from the AfriNIC address blocks: 1066
Unique aggregates announced from the AfriNIC address blocks: 198
AfriNIC Region origin ASes present in the Internet Routing Table: 31
AfriNIC Prefixes per ASN: 34.39
AfriNIC Region origin ASes announcing only one prefix: 15
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 11
Number of AfriNIC addresses announced to Internet: 2418944
Equivalent to 0 /8s, 36 /16s and 233 /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 Informa
7497 446 180 24 CSTNET-AS-AP Computer Network Information
1237 193 74 142 KREONET-AS-KR KISTI, KR
58647 183 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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 2768 3611 416 GOOGLE-CLOUD-PLATFORM, US
16509 2228 1763 986 AMAZON-02, US
14618 973 4179 727 AMAZON-AES, US
15169 830 2007 68 GOOGLE, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 176 34 7 LACOE, US
270 162 345 88 AS270, US
2152 147 507 94 CENIC-2152, 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
680 283 1899 250 DFN Verein zur Foerderung eines Deutschen
786 184 1767 181 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 91 26 71 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
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 158 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 118 25 55 Red Universitaria Nacional, CL
27947 115 0 88 Telconet S.A, EC
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
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 449 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 46 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 11 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 2768 3611 416 GOOGLE-CLOUD-PLATFORM, US
16509 2228 1763 986 AMAZON-02, US
14618 973 4179 727 AMAZON-AES, US
15169 830 2007 68 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Informa
36914 449 82 3 KENET-AS, KE
7497 446 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
680 283 1899 250 DFN Verein zur Foerderung eines Deutschen
376 202 162 151 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 2228 1242 AMAZON-02, US
15169 830 762 GOOGLE, US
36914 449 446 KENET-AS, KE
7497 446 422 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
14618 973 246 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 183 181 KAGAWAU-AS Kagawa University, JP
2920 176 169 LACOE, US
2907 601 136 SINET-AS Research Organization of Information a
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 OTS-AS-276, US
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 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/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 /15:158 /16:2107 /17:513 /18:505
/19:740 /20:2814 /21:1077 /22:1616 /23:1771 /24:14165
/25:49 /26:53 /27:72 /28:21 /29:76 /30:34
/31:38 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 439 449 KENET-AS, KE
16509 331 2228 AMAZON-02, US
14618 315 973 AMAZON-AES, US
15169 275 830 GOOGLE, US
396982 223 2768 GOOGLE-CLOUD-PLATFORM, US
8895 131 136 ISU Internet Services Unit ISU, SA
27947 91 115 Telconet S.A, EC
32440 82 116 LONI, US
327700 40 46 MoRENet, MZ
23024 38 96 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:88 5:21 8:28 12:1 13:46
14:91 15:72 16:115 18:70 23:107 24:3
31:3 34:23 35:49 36:1 38:10 40:5
41:202 42:10 43:2 44:7 45:69 46:11
47:1 49:10 50:4 52:551 54:163 57:1
58:1 59:19 60:6 61:3 62:9 63:37
64:159 65:16 66:77 67:65 68:15 69:44
70:42 71:3 72:11 74:152 75:1 76:45
77:12 78:3 79:10 80:15 81:25 82:6
83:7 84:7 85:46 86:5 87:4 88:1
89:20 91:59 92:7 93:5 94:2 95:2
96:7 97:1 98:10 99:47 101:2 102:8
103:342 104:230 107:35 108:110 109:12 111:16
114:32 115:1 116:10 117:62 118:34 119:23
121:27 122:8 123:8 124:42 125:5 128:84
129:44 130:148 131:65 132:67 133:158 134:108
135:3 136:299 137:66 138:60 139:17 140:44
141:7 142:265 143:26 144:42 145:3 146:146
147:77 148:202 149:17 150:41 151:27 152:139
153:15 154:37 155:78 156:141 157:30 158:43
159:154 160:30 161:29 162:77 163:66 164:24
165:66 166:1 167:25 168:158 169:11 170:154
171:1 172:113 173:117 174:2 175:25 176:10
177:6 178:1 179:11 180:16 182:1 184:7
185:109 186:3 187:17 188:18 189:3 190:3
191:13 192:1524 193:283 194:127 195:72 196:151
197:314 198:488 199:321 200:255 201:36 202:635
203:435 204:383 205:155 206:214 207:234 208:147
209:170 210:211 211:14 212:167 213:17 216:191
217:12 218:22 219:5 220:17 222:2 223:14
End of report
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