[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 22 22:10:39 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Sat 22 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: 25709
Prefixes after maximum aggregation (per Origin AS): 12776
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 14391
Number of IPv4 prefixes with a valid ROA: 12801
Number of IPv4 prefixes with an invalid ROA: 172
Number of IPv4 prefixes with no ROA: 12736
Total ASes present in the Internet Routing Table: 2737
Prefixes per ASN: 9.39
Origin-only ASes present in the Internet Routing Table: 2364
Origin ASes announcing only one prefix: 1042
Transit ASes present in the Internet Routing Table: 373
Transit-only ASes present in the Internet Routing Table: 67
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: 44835
Number of 32-bit ASNs visible in the Routing Table: 647
Prefixes from 32-bit ASNs in the Routing Table: 4661
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: 239839321
Equivalent to 14 /8s, 75 /16s and 168 /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: 3585
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4558
Total APNIC prefixes after maximum aggregation: 2268
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4620
Unique aggregates announced from the APNIC address blocks: 2623
APNIC Region origin ASes present in the Internet Routing Table: 547
APNIC Prefixes per ASN: 8.45
APNIC Region origin ASes announcing only one prefix: 231
APNIC Region transit ASes present in the Internet Routing Table: 58
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: 209
Number of APNIC addresses announced to Internet: 45591360
Equivalent to 2 /8s, 183 /16s and 171 /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: 15000
Total ARIN prefixes after maximum aggregation: 6845
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 14747
Unique aggregates announced from the ARIN address blocks: 7594
ARIN Region origin ASes present in the Internet Routing Table: 1259
ARIN Prefixes per ASN: 11.71
ARIN Region origin ASes announcing only one prefix: 444
ARIN Region transit ASes present in the Internet Routing Table: 162
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: 213
Number of ARIN addresses announced to Internet: 130041841
Equivalent to 7 /8s, 192 /16s and 71 /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: 3608
Total RIPE prefixes after maximum aggregation: 2868
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3787
Unique aggregates announced from the RIPE address blocks: 3155
RIPE Region origin ASes present in the Internet Routing Table: 675
RIPE Prefixes per ASN: 5.61
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 153
Number of RIPE addresses announced to Internet: 57625232
Equivalent to 3 /8s, 111 /16s and 74 /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: 1483
Total LACNIC prefixes after maximum aggregation: 643
LACNIC Deaggregation factor: 2.31
Prefixes being announced from the LACNIC address blocks: 1488
Unique aggregates announced from the LACNIC address blocks: 816
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 9.42
LACNIC Region origin ASes announcing only one prefix: 51
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 62
Number of LACNIC addresses announced to Internet: 4158872
Equivalent to 0 /8s, 63 /16s and 117 /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: 1059
Total AfriNIC prefixes after maximum aggregation: 151
AfriNIC Deaggregation factor: 7.01
Prefixes being announced from the AfriNIC address blocks: 1061
Unique aggregates announced from the AfriNIC address blocks: 197
AfriNIC Region origin ASes present in the Internet Routing Table: 30
AfriNIC Prefixes per ASN: 35.37
AfriNIC Region origin ASes announcing only one prefix: 14
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10
Number of AfriNIC addresses announced to Internet: 2418688
Equivalent to 0 /8s, 36 /16s and 232 /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 2160 464 SINET-AS Research Organization of Infor
7497 444 180 24 CSTNET-AS-AP Computer Network Informati
1237 193 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 70 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 2766 3611 414 GOOGLE-CLOUD-PLATFORM, US
16509 2213 1729 975 AMAZON-02, US
14618 932 4173 708 AMAZON-AES, US
15169 829 2007 68 GOOGLE, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
270 162 345 88 AS270, 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
680 283 1899 250 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 155 176 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 114 0 86 Telconet S.A, EC
271640 64 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 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
36914 447 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
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 2766 3611 414 GOOGLE-CLOUD-PLATFORM, US
16509 2213 1729 975 AMAZON-02, US
14618 932 4173 708 AMAZON-AES, US
15169 829 2007 68 GOOGLE, US
2907 600 2160 464 SINET-AS Research Organization of Infor
36914 447 82 3 KENET-AS, KE
7497 444 180 24 CSTNET-AS-AP Computer Network Informati
2018 381 319 71 TENET-1, ZA
680 283 1899 250 DFN Verein zur Foerderung eines Deutsch
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 2213 1238 AMAZON-02, US
15169 829 761 GOOGLE, US
36914 447 444 KENET-AS, KE
7497 444 420 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
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 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 /15:160 /16:2105 /17:510 /18:498
/19:734 /20:2805 /21:1059 /22:1602 /23:1734 /24:13963
/25:84 /26:55 /27:82 /28:20 /29:77 /30:34
/31:38 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 437 447 KENET-AS, KE
16509 328 2213 AMAZON-02, US
14618 305 932 AMAZON-AES, US
15169 275 829 GOOGLE, US
396982 222 2766 GOOGLE-CLOUD-PLATFORM, US
8895 173 178 ISU Internet Services Unit ISU, SA
27947 91 114 Telconet S.A, EC
32440 82 116 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 23:108 24:3
31:3 34:23 35:49 36:1 38:10 40:5
41:196 42:10 43:2 44:7 45:62 46:11
47:1 49:10 50:4 52:552 54:163 57:1
59:19 60:6 61:3 62:9 63:36 64:159
65:16 66:73 67:64 68:15 69:44 70:43
71:3 72:11 74:151 75:1 76:45 77:12
78:3 79:10 80:15 81:24 82:6 83:7
84:7 85:34 86:5 87:4 88:1 89:20
91:58 92:5 93:5 94:2 95:2 96:7
97:1 98:10 99:47 101:2 102:7 103:295
104:228 107:35 108:105 109:12 114:32 115:1
116:10 117:62 118:34 119:23 121:11 122:8
123:8 124:41 125:5 128:84 129:44 130:148
131:65 132:66 133:157 134:108 135:3 136:299
137:66 138:59 139:17 140:42 141:7 142:264
143:25 144:41 145:3 146:146 147:76 148:202
149:17 150:41 151:27 152:139 153:15 154:37
155:78 156:141 157:30 158:42 159:154 160:30
161:29 162:77 163:66 164:24 165:66 166:1
167:24 168:157 169:10 170:154 171:1 172:113
173:116 174:2 175:18 176:10 177:6 178:1
179:11 180:15 182:1 184:7 185:109 186:3
187:17 188:18 189:3 190:3 191:13 192:1523
193:277 194:126 195:73 196:153 197:317 198:483
199:323 200:245 201:34 202:618 203:432 204:381
205:155 206:214 207:234 208:145 209:175 210:195
211:14 212:164 213:17 216:193 217:12 218:22
219:5 220:17 222:2 223:14
End of report
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