IPv4 R&E Routing Table Report 22:15 GMT Thu 12 Dec, 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: 27609 Prefixes after maximum aggregation (per Origin AS): 13675 Deaggregation factor: 2.02 Unique aggregates announced (without unneeded subnets): 15519 Number of IPv4 prefixes with a valid ROA: 15798 Number of IPv4 prefixes with an invalid ROA: 10 Number of IPv4 prefixes with no ROA: 11801 Total ASes present in the Internet Routing Table: 2783 Prefixes per ASN: 9.92 Origin-only ASes present in the Internet Routing Table: 2407 Origin ASes announcing only one prefix: 1074 Transit ASes present in the Internet Routing Table: 376 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: 3.8 Max AS path length visible: 28 Max AS path prepend of ASN (138136) 20 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: 45972 Number of 32-bit ASNs visible in the Routing Table: 675 Prefixes from 32-bit ASNs in the Routing Table: 4853 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: 9 Number of addresses announced to Internet: 308543248 Equivalent to 18 /8s, 99 /16s and 255 /24s Percentage of available address space announced: 8.3 Percentage of allocated address space announced: 8.3 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: 3790 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4708 Total APNIC prefixes after maximum aggregation: 2279 APNIC Deaggregation factor: 2.07 Prefixes being announced from the APNIC address blocks: 4834 Unique aggregates announced from the APNIC address blocks: 2772 APNIC Region origin ASes present in the Internet Routing Table: 562 APNIC Prefixes per ASN: 8.60 APNIC Region origin ASes announcing only one prefix: 239 APNIC Region transit ASes present in the Internet Routing Table: 59 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 208 Number of APNIC addresses announced to Internet: 47219264 Equivalent to 2 /8s, 208 /16s and 130 /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: 16710 Total ARIN prefixes after maximum aggregation: 7790 ARIN Deaggregation factor: 2.15 Prefixes being announced from the ARIN address blocks: 16042 Unique aggregates announced from the ARIN address blocks: 8284 ARIN Region origin ASes present in the Internet Routing Table: 1281 ARIN Prefixes per ASN: 12.52 ARIN Region origin ASes announcing only one prefix: 450 ARIN Region transit ASes present in the Internet Routing Table: 157 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 217 Number of ARIN addresses announced to Internet: 173180160 Equivalent to 10 /8s, 82 /16s and 133 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 3587 Total RIPE prefixes after maximum aggregation: 2892 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 4104 Unique aggregates announced from the RIPE address blocks: 3502 RIPE Region origin ASes present in the Internet Routing Table: 670 RIPE Prefixes per ASN: 6.13 RIPE Region origin ASes announcing only one prefix: 300 RIPE Region transit ASes present in the Internet Routing Table: 107 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 157 Number of RIPE addresses announced to Internet: 80832144 Equivalent to 4 /8s, 209 /16s and 102 /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, 53/8, 57/8, 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: 1453 Total LACNIC prefixes after maximum aggregation: 542 LACNIC Deaggregation factor: 2.68 Prefixes being announced from the LACNIC address blocks: 1463 Unique aggregates announced from the LACNIC address blocks: 728 LACNIC Region origin ASes present in the Internet Routing Table: 156 LACNIC Prefixes per ASN: 9.38 LACNIC Region origin ASes announcing only one prefix: 55 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 3.9 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: 4761408 Equivalent to 0 /8s, 72 /16s and 167 /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: 1150 Total AfriNIC prefixes after maximum aggregation: 171 AfriNIC Deaggregation factor: 6.73 Prefixes being announced from the AfriNIC address blocks: 1157 Unique aggregates announced from the AfriNIC address blocks: 224 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 23.14 AfriNIC Region origin ASes announcing only one prefix: 30 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29 Number of AfriNIC addresses announced to Internet: 2545920 Equivalent to 0 /8s, 38 /16s and 217 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 602 2200 463 SINET-AS Research Organization of Informa 7497 445 180 24 CSTNET-AS-AP Computer Network Information 1237 193 74 145 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 171 313 114 AARNET-AS-AP Australian Academic and Rese 55824 146 19 20 NKN-CORE-NW NKN Core Network, IN 4538 139 4192 71 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 69 37 10 UNINET-AS-AP UNINET-, TH 2697 60 4 35 ERX-ERNET-AS Education and Research Netwo 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 2891 3656 438 GOOGLE-CLOUD-PLATFORM, US 16509 2386 1791 1083 AMAZON-02, US 14618 1021 4484 770 AMAZON-AES, US 15169 921 2007 68 GOOGLE, US 8075 708 16016 596 MICROSOFT-CORP-MSN-AS-BLOCK, US 2152 495 507 99 CENIC-2152, US 2920 226 44 49 LACOE, US 376 201 162 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 18558 141 18 5 NETBLK-RCOEK, 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 680 284 1899 249 DFN Verein zur Foerderung eines Deutschen 786 185 1767 182 JANET Jisc Services Limited, GB 8895 132 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch.c 1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 26 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 77 27 67 NIKS, 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 218 178 43 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 54 5 19 CEDIA, EC 2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 Red de Interconexion Universitaria, AR 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blumena 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 545 82 3 KENET-AS, KE 2018 378 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 32 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 327700 16 16 1 MoRENet, MZ 37074 15 8 2 UG-AS, GH 37661 12 8 4 NRaE1-AS, NG 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 2891 3656 438 GOOGLE-CLOUD-PLATFORM, US 16509 2386 1791 1083 AMAZON-02, US 14618 1021 4484 770 AMAZON-AES, US 15169 921 2007 68 GOOGLE, US 8075 708 16016 596 MICROSOFT-CORP-MSN-AS-BLOCK, US 2907 602 2200 463 SINET-AS Research Organization of Informa 36914 545 82 3 KENET-AS, KE 2152 495 507 99 CENIC-2152, US 7497 445 180 24 CSTNET-AS-AP Computer Network Information 2018 378 319 71 TENET-1, ZA 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 2386 1303 AMAZON-02, US 15169 921 853 GOOGLE, US 36914 545 542 KENET-AS, KE 7497 445 421 CSTNET-AS-AP Computer Network Information Cente 2152 495 396 CENIC-2152, US 2018 378 307 TENET-1, ZA 14618 1021 251 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 226 177 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 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 103.165.160.0/24 Origin: 16509 AMAZON-02, US 103.165.160.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av 103.177.50.0/23 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US 103.177.50.0/23 Transit: 15169 GOOGLE, US 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 192.225.212.0/24 Origin: 14618 AMAZON-AES, US 192.225.212.0/24 Transit: 16509 AMAZON-02, US 192.225.223.0/24 Origin: 14618 AMAZON-AES, US 192.225.223.0/24 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 /12:34 /13:50 /14:107 /15:198 /16:2286 /17:557 /18:537 /19:772 /20:2822 /21:1136 /22:1727 /23:1887 /24:15315 /25:42 /26:64 /27:35 /28:6 /29:14 /30:3 /31:0 /32:3 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 521 545 KENET-AS, KE 16509 391 2386 AMAZON-02, US 14618 327 1021 AMAZON-AES, US 15169 268 921 GOOGLE, US 396982 263 2891 GOOGLE-CLOUD-PLATFORM, US 8075 127 708 MICROSOFT-CORP-MSN-AS-BLOCK, US 8895 127 132 ISU Internet Services Unit ISU, SA 1916 60 218 Rede Nacional de Ensino e Pesquisa, BR 2152 59 495 CENIC-2152, US 23024 37 96 OCDE, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 2:1 3:103 5:23 8:28 12:2 13:80 14:93 15:74 16:119 18:85 23:113 24:3 31:6 34:22 35:56 36:1 38:11 40:4 41:224 42:11 43:2 44:5 45:81 46:11 47:1 49:10 50:6 52:555 54:163 57:5 59:19 60:5 61:3 62:15 63:37 64:161 65:25 66:90 67:70 68:18 69:49 70:38 71:3 72:15 74:156 75:1 76:47 77:12 78:3 79:10 80:13 81:26 82:7 83:7 84:6 85:51 86:5 87:5 88:1 89:21 91:60 92:9 93:38 94:7 95:3 96:7 97:1 98:11 99:46 101:2 102:14 103:333 104:232 107:38 108:112 109:8 111:22 113:5 114:32 115:1 116:11 117:62 118:33 119:23 121:28 122:8 123:8 124:41 125:5 128:57 129:41 130:149 131:76 132:65 133:155 134:108 135:7 136:305 137:111 138:67 139:17 140:44 141:10 142:347 143:32 144:46 145:7 146:138 147:77 148:203 149:18 150:47 151:38 152:150 153:14 154:40 155:95 156:140 157:37 158:41 159:152 160:33 161:43 162:93 163:68 164:27 165:67 166:5 167:40 168:172 169:14 170:167 171:1 172:114 173:112 174:2 175:16 176:4 177:6 178:3 179:13 180:16 181:1 182:11 184:7 185:137 186:3 187:22 188:20 189:3 190:18 191:13 192:1561 193:295 194:132 195:82 196:146 197:335 198:583 199:353 200:288 201:37 202:648 203:444 204:430 205:198 206:235 207:331 208:156 209:245 210:219 211:3 212:174 213:22 216:218 217:14 218:23 219:6 220:16 222:2 223:15 End of report