IPv4 R&E Routing Table Report 22:10 GMT Sun 14 Apr, 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: 25326 Prefixes after maximum aggregation (per Origin AS): 12636 Deaggregation factor: 2.00 Unique aggregates announced (without unneeded subnets): 14292 Number of IPv4 prefixes with a valid ROA: 12317 Number of IPv4 prefixes with an invalid ROA: 166 Number of IPv4 prefixes with no ROA: 12843 Total ASes present in the Internet Routing Table: 2749 Prefixes per ASN: 9.21 Origin-only ASes present in the Internet Routing Table: 2372 Origin ASes announcing only one prefix: 1049 Transit ASes present in the Internet Routing Table: 377 Transit-only ASes present in the Internet Routing Table: 69 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: 18 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 13 Number of instances of unregistered ASNs: 13 Number of 32-bit ASNs allocated by the RIRs: 44132 Number of 32-bit ASNs visible in the Routing Table: 653 Prefixes from 32-bit ASNs in the Routing Table: 4629 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: 4 Number of addresses announced to Internet: 239775708 Equivalent to 14 /8s, 74 /16s and 175 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 6.5 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: 3261 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4642 Total APNIC prefixes after maximum aggregation: 2272 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4695 Unique aggregates announced from the APNIC address blocks: 2634 APNIC Region origin ASes present in the Internet Routing Table: 547 APNIC Prefixes per ASN: 8.58 APNIC Region origin ASes announcing only one prefix: 231 APNIC Region transit ASes present in the Internet Routing Table: 59 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 209 Number of APNIC addresses announced to Internet: 45567296 Equivalent to 2 /8s, 183 /16s and 77 /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: 14779 Total ARIN prefixes after maximum aggregation: 6657 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14555 Unique aggregates announced from the ARIN address blocks: 7441 ARIN Region origin ASes present in the Internet Routing Table: 1243 ARIN Prefixes per ASN: 11.71 ARIN Region origin ASes announcing only one prefix: 433 ARIN Region transit ASes present in the Internet Routing Table: 159 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: 203 Number of ARIN addresses announced to Internet: 129753089 Equivalent to 7 /8s, 187 /16s and 224 /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: 3598 Total RIPE prefixes after maximum aggregation: 2872 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3770 Unique aggregates announced from the RIPE address blocks: 3153 RIPE Region origin ASes present in the Internet Routing Table: 681 RIPE Prefixes per ASN: 5.54 RIPE Region origin ASes announcing only one prefix: 307 RIPE Region transit ASes present in the Internet Routing Table: 104 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 152 Number of RIPE addresses announced to Internet: 57662608 Equivalent to 3 /8s, 111 /16s and 220 /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: 1494 Total LACNIC prefixes after maximum aggregation: 657 LACNIC Deaggregation factor: 2.27 Prefixes being announced from the LACNIC address blocks: 1500 Unique aggregates announced from the LACNIC address blocks: 843 LACNIC Region origin ASes present in the Internet Routing Table: 158 LACNIC Prefixes per ASN: 9.49 LACNIC Region origin ASes announcing only one prefix: 51 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: 4292107 Equivalent to 0 /8s, 65 /16s and 126 /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: 800 Total AfriNIC prefixes after maximum aggregation: 167 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 802 Unique aggregates announced from the AfriNIC address blocks: 217 AfriNIC Region origin ASes present in the Internet Routing Table: 48 AfriNIC Prefixes per ASN: 16.71 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2499584 Equivalent to 0 /8s, 38 /16s and 36 /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 CSTNET-AS-AP Computer Network Informati 1237 191 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 130 19 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T 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 2763 3641 413 GOOGLE-CLOUD-PLATFORM, US 16509 2164 1675 929 AMAZON-02, US 14618 894 4164 675 AMAZON-AES, US 15169 837 1997 61 GOOGLE, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2920 174 34 7 LACOE, US 36492 165 12 38 GOOGLEWIFI, US 270 162 345 88 AS270, US 2152 151 507 94 CSUNET-NW, 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 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 786 186 1767 183 JANET Jisc Services Limited, GB 8895 161 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 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 70 26 62 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 158 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 117 25 54 Red Universitaria Nacional, CL 27947 117 0 90 Telconet S.A, EC 271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 36 4 3 Universidad Autonoma Metropolitana, MX 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 379 319 71 TENET-1, ZA 36914 198 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 41 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37074 12 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 37215 9 8 1 MAREN, MW 36982 8 33 8 UCT, ZA 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 2763 3641 413 GOOGLE-CLOUD-PLATFORM, US 16509 2164 1675 929 AMAZON-02, US 14618 894 4164 675 AMAZON-AES, US 15169 837 1997 61 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 442 180 24 CSTNET-AS-AP Computer Network Informati 2018 379 319 71 TENET-1, ZA 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 376 201 162 151 RISQ-AS, CA 36914 198 82 3 KENET-AS, KE 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 2164 1235 AMAZON-02, US 15169 837 776 GOOGLE, US 7497 442 418 CSTNET-AS-AP Computer Network Information Cente 2018 379 308 TENET-1, ZA 14618 894 219 AMAZON-AES, US 5786 197 196 UPRENET, PR 36914 198 195 KENET-AS, KE 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 174 167 LACOE, US 8895 161 156 ISU Internet Services Unit ISU, SA 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 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US 11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US 11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, 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 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 /14:81 /15:160 /16:2107 /17:506 /18:500 /19:730 /20:2791 /21:1058 /22:1674 /23:1737 /24:13540 /25:78 /26:53 /27:73 /28:24 /29:79 /30:33 /31:37 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 319 2164 AMAZON-02, US 14618 294 894 AMAZON-AES, US 15169 276 837 GOOGLE, US 396982 214 2763 GOOGLE-CLOUD-PLATFORM, US 36914 185 198 KENET-AS, KE 8895 156 161 ISU Internet Services Unit ISU, SA 27947 92 117 Telconet S.A, EC 32440 87 119 LONI, US 23024 51 108 OCDE, US 327700 37 41 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:86 5:21 8:28 12:1 13:45 14:90 15:71 16:112 18:66 23:112 24:3 31:3 34:25 35:51 38:10 40:5 41:114 42:10 43:2 44:8 45:60 46:11 47:1 49:9 50:3 52:551 54:163 59:19 60:6 61:3 62:9 63:36 64:161 65:12 66:81 67:64 68:14 69:40 70:44 71:3 72:11 74:147 75:1 76:47 77:13 78:3 79:10 80:13 81:25 82:7 83:7 84:10 85:32 86:5 87:4 88:1 89:21 91:59 92:5 93:4 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:9 103:300 104:226 107:34 108:105 109:10 111:16 114:32 115:1 116:10 117:61 118:33 119:20 121:27 122:8 123:8 124:42 125:5 128:84 129:40 130:139 131:65 132:59 133:157 134:110 135:3 136:297 137:66 138:58 139:17 140:41 141:6 142:276 143:24 144:40 145:3 146:145 147:69 148:201 149:16 150:43 151:18 152:136 153:14 154:31 155:75 156:141 157:28 158:42 159:148 160:30 161:27 162:99 163:80 164:24 165:61 166:1 167:20 168:156 169:10 170:150 171:1 172:114 173:116 174:2 175:18 176:10 177:6 178:1 179:10 180:15 182:1 184:2 185:108 186:3 187:18 188:18 189:3 190:2 191:13 192:1511 193:284 194:126 195:72 196:151 197:116 198:481 199:305 200:253 201:34 202:622 203:414 204:369 205:154 206:198 207:184 208:146 209:173 210:190 211:14 212:162 213:16 216:181 217:13 218:22 219:5 220:17 222:2 223:14 End of report