[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 5 22:10:57 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Wed 05 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: 25488
Prefixes after maximum aggregation (per Origin AS): 12675
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 14308
Number of IPv4 prefixes with a valid ROA: 12832
Number of IPv4 prefixes with an invalid ROA: 225
Number of IPv4 prefixes with no ROA: 12431
Total ASes present in the Internet Routing Table: 2768
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 2395
Origin ASes announcing only one prefix: 1052
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: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 44662
Number of 32-bit ASNs visible in the Routing Table: 667
Prefixes from 32-bit ASNs in the Routing Table: 4682
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: 8
Number of addresses announced to Internet: 237414659
Equivalent to 14 /8s, 38 /16s and 169 /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: 3433
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4719
Total APNIC prefixes after maximum aggregation: 2322
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4774
Unique aggregates announced from the APNIC address blocks: 2676
APNIC Region origin ASes present in the Internet Routing Table: 583
APNIC Prefixes per ASN: 8.19
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: 45770048
Equivalent to 2 /8s, 186 /16s and 101 /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: 14794
Total ARIN prefixes after maximum aggregation: 6671
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 14550
Unique aggregates announced from the ARIN address blocks: 7437
ARIN Region origin ASes present in the Internet Routing Table: 1253
ARIN Prefixes per ASN: 11.61
ARIN Region origin ASes announcing only one prefix: 443
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: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 213
Number of ARIN addresses announced to Internet: 127244977
Equivalent to 7 /8s, 149 /16s and 154 /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: 3645
Total RIPE prefixes after maximum aggregation: 2883
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3820
Unique aggregates announced from the RIPE address blocks: 3172
RIPE Region origin ASes present in the Internet Routing Table: 674
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 297
RIPE Region transit ASes present in the Internet Routing Table: 100
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: 149
Number of RIPE addresses announced to Internet: 57698192
Equivalent to 3 /8s, 112 /16s and 103 /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: 1495
Total LACNIC prefixes after maximum aggregation: 651
LACNIC Deaggregation factor: 2.30
Prefixes being announced from the LACNIC address blocks: 1500
Unique aggregates announced from the LACNIC address blocks: 823
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 9.38
LACNIC Region origin ASes announcing only one prefix: 50
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: 4279938
Equivalent to 0 /8s, 65 /16s and 78 /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: 833
Total AfriNIC prefixes after maximum aggregation: 146
AfriNIC Deaggregation factor: 5.71
Prefixes being announced from the AfriNIC address blocks: 836
Unique aggregates announced from the AfriNIC address blocks: 193
AfriNIC Region origin ASes present in the Internet Routing Table: 30
AfriNIC Prefixes per ASN: 27.87
AfriNIC Region origin ASes announcing only one prefix: 15
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.1
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: 2412032
Equivalent to 0 /8s, 36 /16s and 206 /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 441 180 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
9411 82 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
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 3639 412 GOOGLE-CLOUD-PLATFORM, US
16509 2191 1718 958 AMAZON-02, US
14618 921 4168 701 AMAZON-AES, US
15169 821 1997 62 GOOGLE, US
376 203 162 152 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 176 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
786 186 1767 183 JANET Jisc Services Limited, GB
8895 182 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 74 26 64 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 117 0 89 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 363 319 70 TENET-1, ZA
36914 250 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 1 6 RwEdNet-AS, RW
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 3639 412 GOOGLE-CLOUD-PLATFORM, US
16509 2191 1718 958 AMAZON-02, US
14618 921 4168 701 AMAZON-AES, US
15169 821 1997 62 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Infor
7497 441 180 24 CSTNET-AS-AP Computer Network Informati
2018 363 319 70 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
36914 250 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 2191 1233 AMAZON-02, US
15169 821 759 GOOGLE, US
7497 441 417 CSTNET-AS-AP Computer Network Information Cente
2018 363 293 TENET-1, ZA
36914 250 247 KENET-AS, KE
14618 921 220 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
8895 182 177 ISU Internet Services Unit ISU, SA
2920 176 169 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
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, 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 /14:79 /15:160 /16:2078 /17:506 /18:498
/19:736 /20:2803 /21:1035 /22:1659 /23:1735 /24:13729
/25:88 /26:56 /27:86 /28:21 /29:78 /30:34
/31:39 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 328 2191 AMAZON-02, US
14618 305 921 AMAZON-AES, US
15169 275 821 GOOGLE, US
36914 237 250 KENET-AS, KE
396982 222 2766 GOOGLE-CLOUD-PLATFORM, US
8895 177 182 ISU Internet Services Unit ISU, SA
27947 92 117 Telconet S.A, EC
32440 84 118 LONI, US
23024 51 108 OCDE, US
327700 39 44 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 13:43
14:91 15:71 16:115 18:70 23:109 24:3
31:3 34:23 35:48 36:1 38:10 40:5
41:199 42:10 43:2 44:7 45:60 46:11
47:1 49:9 50:5 52:552 54:163 59:19
60:6 61:3 62:9 63:36 64:160 65:18
66:82 67:64 68:15 69:44 70:43 71:3
72:11 74:151 75:1 76:47 77:12 78:3
79:10 80:13 81:26 82:6 83:7 84:7
85:45 86:5 87:4 88:1 89:21 91:61
92:5 93:5 94:2 95:2 96:7 97:1
98:10 99:47 101:2 102:7 103:348 104:229
107:35 108:105 109:12 114:32 115:1 116:10
117:62 118:34 119:21 121:11 122:8 123:8
124:42 125:5 128:88 129:44 130:138 131:65
132:66 133:157 134:108 135:3 136:298 137:66
138:59 139:17 140:42 141:6 142:263 143:25
144:40 145:3 146:145 147:75 148:202 149:17
150:42 151:20 152:139 153:15 154:28 155:75
156:137 157:30 158:42 159:152 160:30 161:30
162:102 163:66 164:24 165:66 166:1 167:28
168:148 169:10 170:155 171:1 172:113 173:116
174:2 175:25 176:10 177:5 178:1 179:11
180:15 182:1 184:2 185:108 186:3 187:19
188:18 189:3 190:2 191:13 192:1430 193:280
194:126 195:73 196:146 197:115 198:463 199:312
200:248 201:34 202:622 203:433 204:382 205:155
206:212 207:235 208:148 209:176 210:207 211:14
212:173 213:16 216:188 217:13 218:22 219:5
220:18 222:2 223:14
End of report
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