IPv4 R&E Routing Table Report 22:15 GMT Thu 13 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: 25864 Prefixes after maximum aggregation (per Origin AS): 12999 Deaggregation factor: 1.99 Unique aggregates announced (without unneeded subnets): 14686 Number of IPv4 prefixes with a valid ROA: 13485 Number of IPv4 prefixes with an invalid ROA: 8 Number of IPv4 prefixes with no ROA: 12371 Total ASes present in the Internet Routing Table: 2733 Prefixes per ASN: 9.46 Origin-only ASes present in the Internet Routing Table: 2371 Origin ASes announcing only one prefix: 1042 Transit ASes present in the Internet Routing Table: 362 Transit-only ASes present in the Internet Routing Table: 61 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: 3 Number of instances of unregistered ASNs: 3 Number of 32-bit ASNs allocated by the RIRs: 44738 Number of 32-bit ASNs visible in the Routing Table: 650 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: 5 Number of addresses announced to Internet: 294918112 Equivalent to 17 /8s, 148 /16s and 23 /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: 3392 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4648 Total APNIC prefixes after maximum aggregation: 2286 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4763 Unique aggregates announced from the APNIC address blocks: 2694 APNIC Region origin ASes present in the Internet Routing Table: 553 APNIC Prefixes per ASN: 8.61 APNIC Region origin ASes announcing only one prefix: 235 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: 213 Number of APNIC addresses announced to Internet: 47205952 Equivalent to 2 /8s, 208 /16s and 78 /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: 15373 Total ARIN prefixes after maximum aggregation: 7159 ARIN Deaggregation factor: 2.15 Prefixes being announced from the ARIN address blocks: 14909 Unique aggregates announced from the ARIN address blocks: 7758 ARIN Region origin ASes present in the Internet Routing Table: 1251 ARIN Prefixes per ASN: 11.92 ARIN Region origin ASes announcing only one prefix: 437 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: 210 Number of ARIN addresses announced to Internet: 169485040 Equivalent to 10 /8s, 26 /16s and 34 /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: 3611 Total RIPE prefixes after maximum aggregation: 2860 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3943 Unique aggregates announced from the RIPE address blocks: 3295 RIPE Region origin ASes present in the Internet Routing Table: 676 RIPE Prefixes per ASN: 5.83 RIPE Region origin ASes announcing only one prefix: 301 RIPE Region transit ASes present in the Internet Routing Table: 101 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: 153 Number of RIPE addresses announced to Internet: 70996624 Equivalent to 4 /8s, 59 /16s and 82 /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: 1384 Total LACNIC prefixes after maximum aggregation: 544 LACNIC Deaggregation factor: 2.54 Prefixes being announced from the LACNIC address blocks: 1392 Unique aggregates announced from the LACNIC address blocks: 735 LACNIC Region origin ASes present in the Internet Routing Table: 160 LACNIC Prefixes per ASN: 8.70 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: 4692768 Equivalent to 0 /8s, 71 /16s and 155 /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: 845 Total AfriNIC prefixes after maximum aggregation: 147 AfriNIC Deaggregation factor: 5.75 Prefixes being announced from the AfriNIC address blocks: 852 Unique aggregates announced from the AfriNIC address blocks: 199 AfriNIC Region origin ASes present in the Internet Routing Table: 30 AfriNIC Prefixes per ASN: 28.40 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: 3.1 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: 2536448 Equivalent to 0 /8s, 38 /16s and 180 /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 440 180 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 2765 3634 413 GOOGLE-CLOUD-PLATFORM, US 16509 2209 1722 970 AMAZON-02, US 14618 931 4169 707 AMAZON-AES, US 15169 824 1997 63 GOOGLE, US 8075 492 13696 411 UNASSIGNED 376 202 162 152 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 173 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 380 319 71 TENET-1, ZA 36914 250 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 38 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/RedCLARA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2765 3634 413 GOOGLE-CLOUD-PLATFORM, US 16509 2209 1722 970 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 492 13696 411 UNASSIGNED 7497 440 180 24 UNASSIGNED 2018 380 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 36914 250 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 2209 1239 AMAZON-02, US 15169 824 761 GOOGLE, US 7497 440 416 UNASSIGNED 2018 380 309 TENET-1, ZA 36914 250 247 KENET-AS, KE 14618 931 224 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 175 168 LACOE, US 8895 173 168 ISU Internet Services Unit ISU, SA 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 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/RedCLARA/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 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 204.153.219.0/24 Origin: 14618 AMAZON-AES, US 204.153.219.0/24 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 /17:528 /18:515 /19:742 /20:2816 /21:1052 /22:1682 /23:1754 /24:14016 /25:78 /26:46 /27:74 /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 2209 AMAZON-02, US 14618 307 931 AMAZON-AES, US 15169 275 824 GOOGLE, US 36914 237 250 KENET-AS, KE 396982 222 2765 GOOGLE-CLOUD-PLATFORM, US 8895 168 173 ISU Internet Services Unit ISU, SA 8075 106 492 UNASSIGNED 32440 85 119 LONI, US 23024 49 106 OCDE, US 3267 35 76 RUNNET, RU 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 41:196 42:10 43:2 44:7 45:71 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 99:47 101:2 102:8 103:306 104:228 107:35 108:106 109:12 111:1 113:4 114:32 115:1 116:10 117:62 118:34 119:21 121:11 122:8 123:8 124:41 125:5 128:83 129:45 130:139 131:73 132:66 133:157 134:108 135:6 136:298 137:70 138:62 139:17 140:42 141:8 142:269 143:29 144:43 145:6 146:136 147:78 148:202 149:17 150:48 151:21 152:139 153:15 154:29 155:84 156:136 157:32 158:42 159:153 160:30 161:37 162:107 163:66 164:30 165:66 166:1 167:28 168:156 169:10 170:164 171:1 172:113 173:117 174:2 175:18 176:11 177:4 178:2 179:14 180:15 181:1 182:1 184:2 185:135 186:3 187:18 188:19 189:3 190:18 191:13 192:1459 193:281 194:135 195:77 196:154 197:114 198:478 199:340 200:256 201:37 202:619 203:438 204:391 205:158 206:213 207:235 208:152 209:180 210:195 211:14 212:173 213:19 216:199 217:15 218:22 219:5 220:17 222:2 223:14 End of report