IPv4 R&E Routing Table Report 22:10 GMT Fri 19 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: 25415 Prefixes after maximum aggregation (per Origin AS): 12681 Deaggregation factor: 2.00 Unique aggregates announced (without unneeded subnets): 14336 Number of IPv4 prefixes with a valid ROA: 12454 Number of IPv4 prefixes with an invalid ROA: 143 Number of IPv4 prefixes with no ROA: 12818 Total ASes present in the Internet Routing Table: 2778 Prefixes per ASN: 9.15 Origin-only ASes present in the Internet Routing Table: 2398 Origin ASes announcing only one prefix: 1057 Transit ASes present in the Internet Routing Table: 380 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: 21 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: 44201 Number of 32-bit ASNs visible in the Routing Table: 664 Prefixes from 32-bit ASNs in the Routing Table: 4645 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: 7 Number of addresses announced to Internet: 239899081 Equivalent to 14 /8s, 76 /16s and 145 /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: 3256 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4746 Total APNIC prefixes after maximum aggregation: 2335 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4793 Unique aggregates announced from the APNIC address blocks: 2690 APNIC Region origin ASes present in the Internet Routing Table: 590 APNIC Prefixes per ASN: 8.12 APNIC Region origin ASes announcing only one prefix: 249 APNIC Region transit ASes present in the Internet Routing Table: 62 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: 231 Number of APNIC addresses announced to Internet: 45729088 Equivalent to 2 /8s, 185 /16s and 197 /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: 14788 Total ARIN prefixes after maximum aggregation: 6665 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14569 Unique aggregates announced from the ARIN address blocks: 7454 ARIN Region origin ASes present in the Internet Routing Table: 1242 ARIN Prefixes per ASN: 11.73 ARIN Region origin ASes announcing only one prefix: 430 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: 129758465 Equivalent to 7 /8s, 187 /16s and 245 /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: 3607 Total RIPE prefixes after maximum aggregation: 2876 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3779 Unique aggregates announced from the RIPE address blocks: 3160 RIPE Region origin ASes present in the Internet Routing Table: 681 RIPE Prefixes per ASN: 5.55 RIPE Region origin ASes announcing only one prefix: 308 RIPE Region transit ASes present in the Internet Routing Table: 103 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 153 Number of RIPE addresses announced to Internet: 57664400 Equivalent to 3 /8s, 111 /16s and 227 /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: 1483 Total LACNIC prefixes after maximum aggregation: 642 LACNIC Deaggregation factor: 2.31 Prefixes being announced from the LACNIC address blocks: 1487 Unique aggregates announced from the LACNIC address blocks: 824 LACNIC Region origin ASes present in the Internet Routing Table: 159 LACNIC Prefixes per ASN: 9.35 LACNIC Region origin ASes announcing only one prefix: 52 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: 4293880 Equivalent to 0 /8s, 65 /16s and 132 /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: 778 Total AfriNIC prefixes after maximum aggregation: 152 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 780 Unique aggregates announced from the AfriNIC address blocks: 202 AfriNIC Region origin ASes present in the Internet Routing Table: 34 AfriNIC Prefixes per ASN: 22.94 AfriNIC Region origin ASes announcing only one prefix: 18 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14 Number of AfriNIC addresses announced to Internet: 2444032 Equivalent to 0 /8s, 37 /16s and 75 /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 441 180 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 67 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 2757 3638 410 GOOGLE-CLOUD-PLATFORM, US 16509 2171 1676 936 AMAZON-02, US 14618 897 4164 678 AMAZON-AES, US 15169 839 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 149 507 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 77 27 65 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 103 0 81 Telconet S.A, EC 271640 67 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 378 319 71 TENET-1, ZA 36914 203 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 46 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 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 31960 5 1 1 EMUNET, MZ 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 2757 3638 410 GOOGLE-CLOUD-PLATFORM, US 16509 2171 1676 936 AMAZON-02, US 14618 897 4164 678 AMAZON-AES, US 15169 839 1997 61 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 441 180 24 CSTNET-AS-AP Computer Network Informati 2018 378 319 71 TENET-1, ZA 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 36914 203 82 3 KENET-AS, KE 376 201 162 151 RISQ-AS, CA 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 2171 1235 AMAZON-02, US 15169 839 778 GOOGLE, US 7497 441 417 CSTNET-AS-AP Computer Network Information Cente 2018 378 307 TENET-1, ZA 14618 897 219 AMAZON-AES, US 36914 203 200 KENET-AS, KE 5786 197 196 UPRENET, PR 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 202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 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 /16:2108 /17:507 /18:504 /19:727 /20:2791 /21:1054 /22:1679 /23:1749 /24:13638 /25:78 /26:51 /27:72 /28:21 /29:72 /30:31 /31:28 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 319 2171 AMAZON-02, US 14618 294 897 AMAZON-AES, US 15169 278 839 GOOGLE, US 396982 215 2757 GOOGLE-CLOUD-PLATFORM, US 36914 190 203 KENET-AS, KE 8895 156 161 ISU Internet Services Unit ISU, SA 32440 87 120 LONI, US 27947 83 103 Telconet S.A, EC 23024 51 108 OCDE, US 327700 40 46 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:87 5:21 8:28 12:1 13:45 14:90 15:71 16:112 18:66 23:109 24:3 31:3 34:25 35:51 38:10 40:5 41:121 42:10 43:2 44:8 45:55 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 91:60 92:5 93:4 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:6 103:346 104:227 107:34 108:107 109:10 114:32 115:1 116:10 117:61 118:33 119:20 121:11 122:8 123:8 124:42 125:5 128:84 129:39 130:139 131:65 132:66 133:157 134:110 135:3 136:297 137:65 138:58 139:17 140:41 141:6 142:276 143:24 144:40 145:3 146:145 147:69 148:201 149:18 150:43 151:18 152:135 153:14 154:30 155:75 156:141 157:28 158:42 159:148 160:30 161:27 162:99 163:80 164:24 165:61 166:1 167:23 168:155 169:10 170:152 171:1 172:114 173:116 174:2 175:25 176:10 177:6 178:1 179:10 180:15 181:1 182:9 184:2 185:109 186:3 187:18 188:18 189:3 190:2 191:13 192:1510 193:283 194:128 195:73 196:154 197:115 198:481 199:306 200:253 201:34 202:639 203:432 204:370 205:154 206:198 207:184 208:146 209:173 210:205 211:14 212:163 213:16 216:182 217:13 218:22 219:5 220:17 222:2 223:14 End of report