IPv4 R&E Routing Table Report 22:10 GMT Wed 17 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: 25347 Prefixes after maximum aggregation (per Origin AS): 12635 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14307 Number of IPv4 prefixes with a valid ROA: 12423 Number of IPv4 prefixes with an invalid ROA: 156 Number of IPv4 prefixes with no ROA: 12768 Total ASes present in the Internet Routing Table: 2735 Prefixes per ASN: 9.27 Origin-only ASes present in the Internet Routing Table: 2360 Origin ASes announcing only one prefix: 1039 Transit ASes present in the Internet Routing Table: 375 Transit-only ASes present in the Internet Routing Table: 68 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: 44166 Number of 32-bit ASNs visible in the Routing Table: 641 Prefixes from 32-bit ASNs in the Routing Table: 4610 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: 239715538 Equivalent to 14 /8s, 73 /16s and 196 /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: 3260 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4660 Total APNIC prefixes after maximum aggregation: 2279 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4712 Unique aggregates announced from the APNIC address blocks: 2648 APNIC Region origin ASes present in the Internet Routing Table: 549 APNIC Prefixes per ASN: 8.58 APNIC Region origin ASes announcing only one prefix: 233 APNIC Region transit ASes present in the Internet Routing Table: 58 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: 45587008 Equivalent to 2 /8s, 183 /16s and 154 /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: 14787 Total ARIN prefixes after maximum aggregation: 6661 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14564 Unique aggregates announced from the ARIN address blocks: 7451 ARIN Region origin ASes present in the Internet Routing Table: 1240 ARIN Prefixes per ASN: 11.75 ARIN Region origin ASes announcing only one prefix: 428 ARIN Region transit ASes present in the Internet Routing Table: 158 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: 202 Number of ARIN addresses announced to Internet: 129722881 Equivalent to 7 /8s, 187 /16s and 106 /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: 3609 Total RIPE prefixes after maximum aggregation: 2877 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3782 Unique aggregates announced from the RIPE address blocks: 3162 RIPE Region origin ASes present in the Internet Routing Table: 682 RIPE Prefixes per ASN: 5.55 RIPE Region origin ASes announcing only one prefix: 307 RIPE Region transit ASes present in the Internet Routing Table: 103 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 152 Number of RIPE addresses announced to Internet: 57666448 Equivalent to 3 /8s, 111 /16s and 235 /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: 1497 Total LACNIC prefixes after maximum aggregation: 655 LACNIC Deaggregation factor: 2.29 Prefixes being announced from the LACNIC address blocks: 1502 Unique aggregates announced from the LACNIC address blocks: 840 LACNIC Region origin ASes present in the Internet Routing Table: 159 LACNIC Prefixes per ASN: 9.45 LACNIC Region origin ASes announcing only one prefix: 53 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: 64 Number of LACNIC addresses announced to Internet: 4294145 Equivalent to 0 /8s, 65 /16s and 134 /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: 781 Total AfriNIC prefixes after maximum aggregation: 152 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 783 Unique aggregates announced from the AfriNIC address blocks: 202 AfriNIC Region origin ASes present in the Internet Routing Table: 34 AfriNIC Prefixes per ASN: 23.03 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 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 131 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 2762 3641 411 GOOGLE-CLOUD-PLATFORM, US 16509 2172 1676 937 AMAZON-02, US 14618 895 4164 676 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 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 112 0 88 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 380 319 71 TENET-1, ZA 36914 204 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 2762 3641 411 GOOGLE-CLOUD-PLATFORM, US 16509 2172 1676 937 AMAZON-02, US 14618 895 4164 676 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 380 319 71 TENET-1, ZA 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 36914 204 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 2172 1235 AMAZON-02, US 15169 837 776 GOOGLE, US 7497 442 418 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 14618 895 219 AMAZON-AES, US 36914 204 201 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 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 /16:2106 /17:506 /18:499 /19:728 /20:2788 /21:1053 /22:1674 /23:1745 /24:13575 /25:78 /26:54 /27:72 /28:21 /29:75 /30:33 /31:34 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 320 2172 AMAZON-02, US 14618 294 895 AMAZON-AES, US 15169 276 837 GOOGLE, US 396982 215 2762 GOOGLE-CLOUD-PLATFORM, US 36914 191 204 KENET-AS, KE 8895 156 161 ISU Internet Services Unit ISU, SA 27947 88 112 Telconet S.A, EC 32440 87 120 LONI, US 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 3:86 5:21 8:28 12:1 13:45 14:91 15:71 16:112 18:66 23:112 24:3 31:3 34:25 35:51 38:10 40:5 41:119 42:10 43:2 44:8 45:57 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 99:47 101:3 102:6 103:298 104:227 107:34 108:105 109:10 111:16 114:32 115:1 116:10 117:61 118:33 119:20 121:27 122:8 123:8 124:42 125:5 128:84 129:39 130:139 131:65 132:66 133:157 134:110 135:3 136:297 137:65 138:58 139:17 140:41 141:6 142:276 143:24 144:40 145:3 146:145 147:69 148:201 149:18 150:43 151:18 152:135 153:14 154:30 155:75 156:141 157:28 158:42 159:148 160:30 161:27 162:99 163:80 164:24 165:61 166:1 167:20 168:155 169:10 170:152 171:1 172:114 173:116 174:2 175:18 176:10 177:6 178:1 179:10 180:15 182:1 184:2 185:109 186:3 187:18 188:18 189:3 190:2 191:13 192:1510 193:284 194:128 195:73 196:154 197:118 198:481 199:305 200:254 201:34 202:632 203:421 204:370 205:154 206:198 207:184 208:146 209:173 210:190 211:14 212:163 213:16 216:182 217:13 218:22 219:5 220:17 222:2 223:14 End of report