IPv4 R&E Routing Table Report 22:15 GMT Sun 16 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: 25887 Prefixes after maximum aggregation (per Origin AS): 13000 Deaggregation factor: 1.99 Unique aggregates announced (without unneeded subnets): 14687 Number of IPv4 prefixes with a valid ROA: 13501 Number of IPv4 prefixes with an invalid ROA: 9 Number of IPv4 prefixes with no ROA: 12377 Total ASes present in the Internet Routing Table: 2731 Prefixes per ASN: 9.48 Origin-only ASes present in the Internet Routing Table: 2365 Origin ASes announcing only one prefix: 1040 Transit ASes present in the Internet Routing Table: 366 Transit-only ASes present in the Internet Routing Table: 63 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: 44778 Number of 32-bit ASNs visible in the Routing Table: 649 Prefixes from 32-bit ASNs in the Routing Table: 4646 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: 294812160 Equivalent to 17 /8s, 146 /16s and 122 /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: 3398 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4644 Total APNIC prefixes after maximum aggregation: 2281 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4759 Unique aggregates announced from the APNIC address blocks: 2688 APNIC Region origin ASes present in the Internet Routing Table: 547 APNIC Prefixes per ASN: 8.70 APNIC Region origin ASes announcing only one prefix: 230 APNIC Region transit ASes present in the Internet Routing Table: 59 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: 47074112 Equivalent to 2 /8s, 206 /16s and 75 /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: 15381 Total ARIN prefixes after maximum aggregation: 7165 ARIN Deaggregation factor: 2.15 Prefixes being announced from the ARIN address blocks: 14914 Unique aggregates announced from the ARIN address blocks: 7762 ARIN Region origin ASes present in the Internet Routing Table: 1254 ARIN Prefixes per ASN: 11.89 ARIN Region origin ASes announcing only one prefix: 440 ARIN Region transit ASes present in the Internet Routing Table: 157 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: 211 Number of ARIN addresses announced to Internet: 169485840 Equivalent to 10 /8s, 26 /16s and 38 /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: 3620 Total RIPE prefixes after maximum aggregation: 2861 RIPE Deaggregation factor: 1.27 Prefixes being announced from the RIPE address blocks: 3953 Unique aggregates announced from the RIPE address blocks: 3299 RIPE Region origin ASes present in the Internet Routing Table: 678 RIPE Prefixes per ASN: 5.83 RIPE Region origin ASes announcing only one prefix: 302 RIPE Region transit ASes present in the Internet Routing Table: 103 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: 154 Number of RIPE addresses announced to Internet: 71006608 Equivalent to 4 /8s, 59 /16s and 121 /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: 1381 Total LACNIC prefixes after maximum aggregation: 542 LACNIC Deaggregation factor: 2.55 Prefixes being announced from the LACNIC address blocks: 1389 Unique aggregates announced from the LACNIC address blocks: 732 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: 55 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: 64 Number of LACNIC addresses announced to Internet: 4692000 Equivalent to 0 /8s, 71 /16s and 152 /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: 860 Total AfriNIC prefixes after maximum aggregation: 150 AfriNIC Deaggregation factor: 5.73 Prefixes being announced from the AfriNIC address blocks: 866 Unique aggregates announced from the AfriNIC address blocks: 200 AfriNIC Region origin ASes present in the Internet Routing Table: 29 AfriNIC Prefixes per ASN: 29.86 AfriNIC Region origin ASes announcing only one prefix: 13 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 3.1 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9 Number of AfriNIC addresses announced to Internet: 2550272 Equivalent to 0 /8s, 38 /16s and 234 /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 2162 464 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 132 19 20 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 2760 3620 409 GOOGLE-CLOUD-PLATFORM, US 16509 2210 1724 971 AMAZON-02, US 14618 932 4169 708 AMAZON-AES, US 15169 824 1997 63 GOOGLE, US 8075 492 13696 411 UNASSIGNED 376 203 162 152 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 36492 165 12 38 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 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 61468 43 3 14 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 2018 381 319 71 TENET-1, ZA 36914 248 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 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 2760 3620 409 GOOGLE-CLOUD-PLATFORM, US 16509 2210 1724 971 AMAZON-02, US 14618 932 4169 708 AMAZON-AES, US 15169 824 1997 63 GOOGLE, US 2907 600 2162 464 SINET-AS Research Organization of Infor 8075 492 13696 411 UNASSIGNED 7497 442 180 24 UNASSIGNED 2018 381 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 36914 248 82 3 KENET-AS, KE 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 2210 1239 AMAZON-02, US 15169 824 761 GOOGLE, US 7497 442 418 UNASSIGNED 2018 381 310 TENET-1, ZA 36914 248 245 KENET-AS, KE 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/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 /16:2141 /17:527 /18:515 /19:745 /20:2817 /21:1054 /22:1684 /23:1757 /24:14021 /25:80 /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 16509 327 2210 AMAZON-02, US 14618 307 932 AMAZON-AES, US 15169 275 824 GOOGLE, US 36914 235 248 KENET-AS, KE 396982 222 2760 GOOGLE-CLOUD-PLATFORM, US 8895 173 178 ISU Internet Services Unit ISU, SA 8075 106 492 UNASSIGNED 32440 85 119 LONI, US 23024 49 106 OCDE, US 327700 39 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 23:110 24:3 31:3 34:23 35:49 36:1 38:10 40:5 41:197 42:10 43:2 44:7 45:69 46:12 47:1 49:9 50:5 52:557 54:163 57:1 59:19 60:6 61:3 62:16 63:37 64:163 65:16 66:85 67:66 68:15 69:52 70:43 71:3 72:12 74:153 75:1 76:47 77:12 78:3 79:10 80:15 81:25 82:6 83:7 84:6 85:34 86:5 87:4 88:1 89:21 91:63 92:7 93:5 94:6 95:3 96:2 97:1 98:10 99:47 101:2 102:7 103:304 104:227 107:35 108:106 109:12 111:1 113:4 114:32 115:1 116:10 117:62 118:34 119:21 121:11 122:8 123:8 124:41 125:5 128:83 129:45 130:139 131:73 132:66 133:157 134:108 135:6 136:298 137:70 138:62 139:17 140:42 141:8 142:269 143:29 144:43 145:6 146:136 147:77 148:202 149:17 150:48 151:21 152:139 153:15 154:37 155:84 156:136 157:32 158:42 159:155 160:30 161:37 162:107 163:66 164:30 165:66 166:1 167:27 168:157 169:10 170:164 171:1 172:113 173:117 174:2 175:18 176:11 177:4 178:2 179:11 180:15 181:1 182:1 184:2 185:135 186:3 187:18 188:19 189:3 190:18 191:13 192:1460 193:281 194:136 195:76 196:153 197:115 198:478 199:341 200:256 201:37 202:619 203:438 204:391 205:158 206:214 207:236 208:152 209:180 210:195 211:14 212:173 213:19 216:199 217:15 218:22 219:5 220:17 222:2 223:14 End of report