[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 7 22:10:42 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Tue 07 May, 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: 25552
Prefixes after maximum aggregation (per Origin AS): 12722
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 14383
Number of IPv4 prefixes with a valid ROA: 12535
Number of IPv4 prefixes with an invalid ROA: 210
Number of IPv4 prefixes with no ROA: 12807
Total ASes present in the Internet Routing Table: 2772
Prefixes per ASN: 9.22
Origin-only ASes present in the Internet Routing Table: 2393
Origin ASes announcing only one prefix: 1054
Transit ASes present in the Internet Routing Table: 379
Transit-only ASes present in the Internet Routing Table: 70
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: 15
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: 44400
Number of 32-bit ASNs visible in the Routing Table: 662
Prefixes from 32-bit ASNs in the Routing Table: 4638
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: 239879904
Equivalent to 14 /8s, 76 /16s and 70 /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: 3357
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4718
Total APNIC prefixes after maximum aggregation: 2328
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4769
Unique aggregates announced from the APNIC address blocks: 2683
APNIC Region origin ASes present in the Internet Routing Table: 587
APNIC Prefixes per ASN: 8.12
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 64
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 230
Number of APNIC addresses announced to Internet: 45716800
Equivalent to 2 /8s, 185 /16s and 149 /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: 14937
Total ARIN prefixes after maximum aggregation: 6725
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 14708
Unique aggregates announced from the ARIN address blocks: 7523
ARIN Region origin ASes present in the Internet Routing Table: 1254
ARIN Prefixes per ASN: 11.73
ARIN Region origin ASes announcing only one prefix: 441
ARIN Region transit ASes present in the Internet Routing Table: 159
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: 211
Number of ARIN addresses announced to Internet: 129842609
Equivalent to 7 /8s, 189 /16s and 61 /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: 3646
Total RIPE prefixes after maximum aggregation: 2886
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3823
Unique aggregates announced from the RIPE address blocks: 3178
RIPE Region origin ASes present in the Internet Routing Table: 678
RIPE Prefixes per ASN: 5.64
RIPE Region origin ASes announcing only one prefix: 301
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: 150
Number of RIPE addresses announced to Internet: 57705360
Equivalent to 3 /8s, 112 /16s and 131 /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: 1426
Total LACNIC prefixes after maximum aggregation: 622
LACNIC Deaggregation factor: 2.29
Prefixes being announced from the LACNIC address blocks: 1431
Unique aggregates announced from the LACNIC address blocks: 793
LACNIC Region origin ASes present in the Internet Routing Table: 149
LACNIC Prefixes per ASN: 9.60
LACNIC Region origin ASes announcing only one prefix: 49
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: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59
Number of LACNIC addresses announced to Internet: 4190303
Equivalent to 0 /8s, 63 /16s and 240 /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: 812
Total AfriNIC prefixes after maximum aggregation: 150
AfriNIC Deaggregation factor: 5.41
Prefixes being announced from the AfriNIC address blocks: 814
Unique aggregates announced from the AfriNIC address blocks: 200
AfriNIC Region origin ASes present in the Internet Routing Table: 31
AfriNIC Prefixes per ASN: 26.26
AfriNIC Region origin ASes announcing only one prefix: 16
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12
Number of AfriNIC addresses announced to Internet: 2415616
Equivalent to 0 /8s, 36 /16s and 220 /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 443 180 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 69 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 2759 3639 407 GOOGLE-CLOUD-PLATFORM, US
16509 2174 1676 936 AMAZON-02, US
14618 905 4165 685 AMAZON-AES, US
15169 838 1997 61 GOOGLE, US
376 201 162 151 RISQ-AS, CA
5786 198 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
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 181 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 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 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 48 16 1 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
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 201 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 46 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37654 14 1 8 RwEdNet-AS, RW
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 2759 3639 407 GOOGLE-CLOUD-PLATFORM, US
16509 2174 1676 936 AMAZON-02, US
14618 905 4165 685 AMAZON-AES, US
15169 838 1997 61 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Infor
7497 443 180 24 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
376 201 162 151 RISQ-AS, CA
36914 201 82 3 KENET-AS, KE
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 2174 1238 AMAZON-02, US
15169 838 777 GOOGLE, US
7497 443 419 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
14618 905 220 AMAZON-AES, US
36914 201 198 KENET-AS, KE
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
8895 181 176 ISU Internet Services Unit ISU, SA
2920 174 167 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
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 /16:2106 /17:509 /18:505
/19:734 /20:2785 /21:1057 /22:1666 /23:1739 /24:13748
/25:87 /26:55 /27:88 /28:21 /29:77 /30:31
/31:38 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 318 2174 AMAZON-02, US
14618 299 905 AMAZON-AES, US
15169 277 838 GOOGLE, US
396982 218 2759 GOOGLE-CLOUD-PLATFORM, US
36914 188 201 KENET-AS, KE
8895 176 181 ISU Internet Services Unit ISU, SA
27947 91 116 Telconet S.A, EC
32440 86 119 LONI, US
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 3:89 5:21 8:28 12:1 13:45
14:91 15:71 16:112 18:66 23:108 24:3
31:3 34:25 35:48 36:1 38:10 40:5
41:153 42:10 43:2 44:7 45:49 46:11
47:1 49:9 50:5 52:551 54:163 59:19
60:6 61:3 62:9 63:36 64:160 65:15
66:83 67:64 68:14 69:41 70:44 71:3
72:11 74:151 75:1 76:47 77:13 78:3
79:10 80:13 81:26 82:7 83:7 84:7
85:44 86:5 87:4 88:1 89:21 91:61
92:5 93:4 94:2 95:2 96:7 97:1
98:10 99:47 101:3 102:6 103:346 104:223
107:34 108:107 109:11 114:32 115:1 116:10
117:62 118:33 119:21 121:11 122:8 123:8
124:42 125:5 128:89 129:39 130:140 131:65
132:66 133:157 134:110 135:3 136:298 137:65
138:58 139:17 140:42 141:6 142:276 143:24
144:40 145:3 146:146 147:74 148:202 149:17
150:43 151:18 152:137 153:14 154:32 155:75
156:141 157:27 158:42 159:148 160:30 161:29
162:99 163:68 164:24 165:66 166:1 167:23
168:156 169:10 170:154 171:1 172:114 173:115
174:2 175:25 176:10 177:5 178:2 179:6
180:15 182:9 184:8 185:109 186:3 187:18
188:18 189:3 190:2 191:13 192:1518 193:281
194:128 195:72 196:154 197:114 198:483 199:310
200:238 201:34 202:624 203:427 204:378 205:155
206:199 207:234 208:147 209:170 210:206 211:14
212:171 213:17 216:189 217:12 218:22 219:5
220:18 222:2 223:14
End of report
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