IPv4 R&E Routing Table Report 17:15 GMT Tue 23 Apr, 2024 IPv4 BGP Table (R&E) as seen at Janet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Janet/ Analysis Summary ---------------- BGP routing table entries examined: 18118 Prefixes after maximum aggregation (per Origin AS): 10287 Deaggregation factor: 1.76 Unique aggregates announced (without unneeded subnets): 11342 Number of IPv4 prefixes with a valid ROA: 5399 Number of IPv4 prefixes with an invalid ROA: 3 Number of IPv4 prefixes with no ROA: 12716 Total ASes present in the Internet Routing Table: 2674 Prefixes per ASN: 6.78 Origin-only ASes present in the Internet Routing Table: 2316 Origin ASes announcing only one prefix: 1027 Transit ASes present in the Internet Routing Table: 358 Transit-only ASes present in the Internet Routing Table: 64 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 20 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: 44226 Number of 32-bit ASNs visible in the Routing Table: 638 Prefixes from 32-bit ASNs in the Routing Table: 1777 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: 202021632 Equivalent to 12 /8s, 10 /16s and 155 /24s Percentage of available address space announced: 5.5 Percentage of allocated address space announced: 5.5 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: 1742 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4712 Total APNIC prefixes after maximum aggregation: 2306 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4709 Unique aggregates announced from the APNIC address blocks: 2602 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 8.08 APNIC Region origin ASes announcing only one prefix: 252 APNIC Region transit ASes present in the Internet Routing Table: 58 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 231 Number of APNIC addresses announced to Internet: 45697536 Equivalent to 2 /8s, 185 /16s and 74 /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: 8018 Total ARIN prefixes after maximum aggregation: 4670 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 8043 Unique aggregates announced from the ARIN address blocks: 5173 ARIN Region origin ASes present in the Internet Routing Table: 1239 ARIN Prefixes per ASN: 6.49 ARIN Region origin ASes announcing only one prefix: 434 ARIN Region transit ASes present in the Internet Routing Table: 153 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 196 Number of ARIN addresses announced to Internet: 92654848 Equivalent to 5 /8s, 133 /16s and 205 /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: 3208 Total RIPE prefixes after maximum aggregation: 2590 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3197 Unique aggregates announced from the RIPE address blocks: 2607 RIPE Region origin ASes present in the Internet Routing Table: 588 RIPE Prefixes per ASN: 5.44 RIPE Region origin ASes announcing only one prefix: 266 RIPE Region transit ASes present in the Internet Routing Table: 96 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 130 Number of RIPE addresses announced to Internet: 56939008 Equivalent to 3 /8s, 100 /16s and 210 /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: 557 LACNIC Deaggregation factor: 2.48 Prefixes being announced from the LACNIC address blocks: 1382 Unique aggregates announced from the LACNIC address blocks: 756 LACNIC Region origin ASes present in the Internet Routing Table: 163 LACNIC Prefixes per ASN: 8.48 LACNIC Region origin ASes announcing only one prefix: 57 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 14 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67 Number of LACNIC addresses announced to Internet: 4278272 Equivalent to 0 /8s, 65 /16s and 72 /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: 783 Total AfriNIC prefixes after maximum aggregation: 153 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 783 Unique aggregates announced from the AfriNIC address blocks: 201 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: 3.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14 Number of AfriNIC addresses announced to Internet: 2443520 Equivalent to 0 /8s, 37 /16s and 73 /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 591 2162 464 SINET-AS Research Organization of Infor 7497 443 180 24 CSTNET-AS-AP Computer Network Informati 1237 189 74 142 KREONET-AS-KR KISTI, KR 4538 189 4193 75 ERX-CERNET-BKB China Education and Rese 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 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/Janet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 203 648 172 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2920 174 34 7 LACOE, US 270 162 345 88 AS270, US 2152 149 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 127 521 30 NCREN, US 23024 108 7 22 OCDE, US 1736 79 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/Janet/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 786 185 1764 180 JANET Jisc Services Limited, GB 8895 134 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 2200 63 598 58 FR-RENATER Reseau National de telecommu Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 1916 141 176 42 Rede Nacional de Ensino e Pesquisa, BR 11340 108 25 51 Red Universitaria Nacional, CL 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 61468 43 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 35 4 3 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/Janet/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 204 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 47 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37654 13 1 7 RwEdNet-AS, RW 37501 11 49 6 UOFS, ZA 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/Janet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 591 2162 464 SINET-AS Research Organization of Infor 7497 443 180 24 CSTNET-AS-AP Computer Network Informati 2018 379 319 71 TENET-1, ZA 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 36914 204 82 3 KENET-AS, KE 668 203 648 172 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 1237 189 74 142 KREONET-AS-KR KISTI, KR 4538 189 4193 75 ERX-CERNET-BKB China Education and Rese Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 443 419 CSTNET-AS-AP Computer Network Information Cente 2018 379 308 TENET-1, ZA 36914 204 201 KENET-AS, KE 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 174 167 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 134 129 ISU Internet Services Unit ISU, SA 4538 189 114 ERX-CERNET-BKB China Education and Research Net 55824 131 112 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/Janet/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/Janet/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 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 202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese Complete listing at https://bgp.nsrc.org/REN/Janet/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 /11:1 /12:10 /13:19 /14:35 /15:121 /16:2017 /17:424 /18:450 /19:549 /20:824 /21:844 /22:1442 /23:1467 /24:9913 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 191 204 KENET-AS, KE 8895 129 134 ISU Internet Services Unit ISU, SA 23024 51 108 OCDE, US 327700 41 47 MoRENet, MZ 32440 38 63 LONI, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 200521 30 50 SEAP-AGE, ES 27609 29 45 USC-UNIVERSITY-HOSPITAL, US Complete listing at https://bgp.nsrc.org/REN/Janet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:7 6:4 8:2 12:1 14:91 23:4 24:3 31:1 35:6 38:9 40:1 41:121 42:12 44:5 45:30 46:5 47:1 49:9 50:1 52:1 58:16 59:20 60:6 61:3 62:6 63:32 64:44 65:1 66:45 67:41 68:10 69:17 70:2 71:1 72:7 74:51 76:41 77:8 78:3 79:10 80:5 81:25 82:4 83:6 84:7 85:12 86:3 87:1 89:11 91:44 93:4 94:2 95:2 96:5 97:1 98:2 101:5 102:5 103:317 104:77 108:8 109:7 114:24 116:8 117:61 118:34 119:21 121:12 122:8 123:8 124:42 125:2 128:84 129:35 130:83 131:62 132:66 133:157 134:110 136:197 137:50 138:57 139:5 140:38 141:3 142:26 143:24 144:25 145:2 146:135 147:57 148:192 149:12 150:42 151:8 152:133 153:14 154:32 155:63 156:139 157:20 158:35 159:115 160:30 161:14 162:20 163:73 164:14 165:48 166:1 167:12 168:121 169:6 170:91 172:3 173:7 175:25 176:8 177:6 179:13 180:15 181:1 182:9 184:2 185:47 186:3 187:18 188:11 189:3 190:17 191:13 192:1466 193:253 194:116 195:70 196:153 197:117 198:468 199:271 200:259 201:37 202:635 203:427 204:355 205:133 206:181 207:156 208:72 209:111 210:205 211:15 212:161 213:3 214:8 216:84 217:9 218:3 219:5 220:17 222:3 223:15 End of report