IPv4 R&E Routing Table Report 22:15 GMT Tue 18 Jun, 2024 IPv4 BGP Table (R&E) as seen at RedCLARA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RedCLARA/ Analysis Summary ---------------- BGP routing table entries examined: 26057 Prefixes after maximum aggregation (per Origin AS): 13017 Deaggregation factor: 2.00 Unique aggregates announced (without unneeded subnets): 14701 Number of IPv4 prefixes with a valid ROA: 13515 Number of IPv4 prefixes with an invalid ROA: 10 Number of IPv4 prefixes with no ROA: 12532 Total ASes present in the Internet Routing Table: 2731 Prefixes per ASN: 9.54 Origin-only ASes present in the Internet Routing Table: 2366 Origin ASes announcing only one prefix: 1040 Transit ASes present in the Internet Routing Table: 365 Transit-only ASes present in the Internet Routing Table: 62 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 15 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: 44780 Number of 32-bit ASNs visible in the Routing Table: 648 Prefixes from 32-bit ASNs in the Routing Table: 4653 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: 294914304 Equivalent to 17 /8s, 148 /16s and 9 /24s Percentage of available address space announced: 8.0 Percentage of allocated address space announced: 8.0 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: 3570 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4644 Total APNIC prefixes after maximum aggregation: 2282 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4758 Unique aggregates announced from the APNIC address blocks: 2689 APNIC Region origin ASes present in the Internet Routing Table: 548 APNIC Prefixes per ASN: 8.68 APNIC Region origin ASes announcing only one prefix: 232 APNIC Region transit ASes present in the Internet Routing Table: 58 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 211 Number of APNIC addresses announced to Internet: 47137856 Equivalent to 2 /8s, 207 /16s and 68 /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: 15385 Total ARIN prefixes after maximum aggregation: 7180 ARIN Deaggregation factor: 2.14 Prefixes being announced from the ARIN address blocks: 14918 Unique aggregates announced from the ARIN address blocks: 7770 ARIN Region origin ASes present in the Internet Routing Table: 1256 ARIN Prefixes per ASN: 11.88 ARIN Region origin ASes announcing only one prefix: 441 ARIN Region transit ASes present in the Internet Routing Table: 158 Average ARIN Region AS path length visible: 3.4 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: 169547280 Equivalent to 10 /8s, 27 /16s and 22 /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: 3618 Total RIPE prefixes after maximum aggregation: 2859 RIPE Deaggregation factor: 1.27 Prefixes being announced from the RIPE address blocks: 3952 Unique aggregates announced from the RIPE address blocks: 3300 RIPE Region origin ASes present in the Internet Routing Table: 675 RIPE Prefixes per ASN: 5.85 RIPE Region origin ASes announcing only one prefix: 299 RIPE Region transit ASes present in the Internet Routing Table: 102 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 152 Number of RIPE addresses announced to Internet: 70970768 Equivalent to 4 /8s, 58 /16s and 237 /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: 1382 Total LACNIC prefixes after maximum aggregation: 544 LACNIC Deaggregation factor: 2.54 Prefixes being announced from the LACNIC address blocks: 1390 Unique aggregates announced from the LACNIC address blocks: 735 LACNIC Region origin ASes present in the Internet Routing Table: 159 LACNIC Prefixes per ASN: 8.74 LACNIC Region origin ASes announcing only one prefix: 54 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63 Number of LACNIC addresses announced to Internet: 4704544 Equivalent to 0 /8s, 71 /16s and 201 /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: 1027 Total AfriNIC prefixes after maximum aggregation: 151 AfriNIC Deaggregation factor: 6.80 Prefixes being announced from the AfriNIC address blocks: 1033 Unique aggregates announced from the AfriNIC address blocks: 201 AfriNIC Region origin ASes present in the Internet Routing Table: 30 AfriNIC Prefixes per ASN: 34.43 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: 3.2 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10 Number of AfriNIC addresses announced to Internet: 2550528 Equivalent to 0 /8s, 38 /16s and 235 /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 442 180 24 UNASSIGNED 1237 193 74 142 UNASSIGNED 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 UNASSIGNED 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 UNASSIGNED 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNASSIGNED Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2767 3620 415 GOOGLE-CLOUD-PLATFORM, US 16509 2211 1724 971 AMAZON-02, US 14618 931 4169 707 AMAZON-AES, US 15169 824 1997 63 GOOGLE, US 8075 495 13696 413 UNASSIGNED 376 202 162 151 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 36492 155 11 42 GOOGLEWIFI, US 2152 149 507 94 CSUNET-NW, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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@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/RedCLARA/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 109 25 52 Red Universitaria Nacional, CL 271640 65 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 61468 44 5 15 CEDIA, EC 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/RedCLARA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 414 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 44 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/RedCLARA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2767 3620 415 GOOGLE-CLOUD-PLATFORM, US 16509 2211 1724 971 AMAZON-02, US 14618 931 4169 707 AMAZON-AES, US 15169 824 1997 63 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 8075 495 13696 413 UNASSIGNED 7497 442 180 24 UNASSIGNED 36914 414 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 2211 1240 AMAZON-02, US 15169 824 761 GOOGLE, US 7497 442 418 UNASSIGNED 36914 414 411 KENET-AS, KE 2018 381 310 TENET-1, ZA 14618 931 224 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/RedCLARA/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/RedCLARA/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/RedCLARA/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 /10:3 /11:10 /12:33 /13:47 /14:104 /15:193 /16:2143 /17:526 /18:515 /19:747 /20:2815 /21:1054 /22:1685 /23:1754 /24:14193 /25:79 /26:49 /27:79 /28:7 /29:14 /30:3 /31:0 /32:3 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 401 414 KENET-AS, KE 16509 328 2211 AMAZON-02, US 14618 306 931 AMAZON-AES, US 15169 275 824 GOOGLE, US 396982 222 2767 GOOGLE-CLOUD-PLATFORM, US 8895 173 178 ISU Internet Services Unit ISU, SA 8075 108 495 UNASSIGNED 32440 82 116 LONI, US 23024 49 106 OCDE, US 327700 38 44 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 2:1 3:85 5:22 8:28 12:1 13:77 14:91 15:71 16:115 18:70 23:109 24:3 31:3 34:23 35:49 36:1 38:10 40:5 41:196 42:10 43:2 44:7 45:68 46:12 47:1 49:9 50:5 52:557 54:163 57:1 59:19 60:6 61:3 62:16 63:37 64:164 65:16 66:85 67:66 68:15 69:52 70:43 71:3 72:12 74:153 75:1 76:45 77:12 78:3 79:10 80:15 81:25 82:6 83:7 84:6 85:34 86:5 87:4 88:1 89:20 91:63 92:7 93:5 94:6 95:3 96:7 97:1 98:10 99:47 101:2 102:8 103:302 104:228 107:35 108:106 109:12 111:1 113:4 114:32 115:1 116:10 117:62 118:34 119:21 121:11 122:8 123:8 124:41 125:5 128:84 129:45 130:141 131:73 132:66 133:157 134:108 135:6 136:298 137:70 138:62 139:17 140:42 141:8 142:268 143:29 144:43 145:7 146:136 147:78 148:202 149:17 150:47 151:24 152:139 153:15 154:37 155:84 156:136 157:32 158:42 159:155 160:30 161:37 162:100 163:66 164:30 165:66 166:1 167:27 168:157 169:10 170:164 171:1 172:113 173:117 174:2 175:18 176:11 177:4 178:2 179:14 180:15 181:1 182:1 184:3 185:135 186:3 187:17 188:19 189:3 190:18 191:13 192:1462 193:282 194:136 195:77 196:153 197:281 198:479 199:344 200:255 201:37 202:619 203:438 204:391 205:158 206:214 207:234 208:152 209:179 210:195 211:14 212:173 213:19 216:200 217:14 218:22 219:5 220:17 222:2 223:14 End of report