IPv4 R&E Routing Table Report 20:20 GMT Wed 24 Jan, 2024 IPv4 BGP Table (R&E) as seen at Erdemnet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Erdemnet/ Analysis Summary ---------------- BGP routing table entries examined: 19594 Prefixes after maximum aggregation (per Origin AS): 10719 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 11988 Number of IPv4 prefixes with a valid ROA: 6371 Number of IPv4 prefixes with an invalid ROA: 105 Number of IPv4 prefixes with no ROA: 13118 Total ASes present in the Internet Routing Table: 2814 Prefixes per ASN: 6.96 Origin-only ASes present in the Internet Routing Table: 2430 Origin ASes announcing only one prefix: 1098 Transit ASes present in the Internet Routing Table: 384 Transit-only ASes present in the Internet Routing Table: 72 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 6.3 Max AS path length visible: 17 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 21 Number of instances of unregistered ASNs: 21 Number of 32-bit ASNs allocated by the RIRs: 43446 Number of 32-bit ASNs visible in the Routing Table: 661 Prefixes from 32-bit ASNs in the Routing Table: 2008 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: 1 Number of addresses announced to Internet: 201138944 Equivalent to 11 /8s, 253 /16s and 35 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 5.4 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: 2462 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5054 Total APNIC prefixes after maximum aggregation: 2387 APNIC Deaggregation factor: 2.12 Prefixes being announced from the APNIC address blocks: 5058 Unique aggregates announced from the APNIC address blocks: 2877 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 8.68 APNIC Region origin ASes announcing only one prefix: 253 APNIC Region transit ASes present in the Internet Routing Table: 63 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 221 Number of APNIC addresses announced to Internet: 45633024 Equivalent to 2 /8s, 184 /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: 8299 Total ARIN prefixes after maximum aggregation: 4676 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 8330 Unique aggregates announced from the ARIN address blocks: 5193 ARIN Region origin ASes present in the Internet Routing Table: 1262 ARIN Prefixes per ASN: 6.60 ARIN Region origin ASes announcing only one prefix: 452 ARIN Region transit ASes present in the Internet Routing Table: 165 Average ARIN Region AS path length visible: 7.0 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 198 Number of ARIN addresses announced to Internet: 91066112 Equivalent to 5 /8s, 109 /16s and 143 /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, 393216-401308 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: 3592 Total RIPE prefixes after maximum aggregation: 2898 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3578 Unique aggregates announced from the RIPE address blocks: 2935 RIPE Region origin ASes present in the Internet Routing Table: 682 RIPE Prefixes per ASN: 5.25 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: 6.0 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 148 Number of RIPE addresses announced to Internet: 57693184 Equivalent to 3 /8s, 112 /16s and 84 /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: 1368 Total LACNIC prefixes after maximum aggregation: 563 LACNIC Deaggregation factor: 2.43 Prefixes being announced from the LACNIC address blocks: 1366 Unique aggregates announced from the LACNIC address blocks: 757 LACNIC Region origin ASes present in the Internet Routing Table: 161 LACNIC Prefixes per ASN: 8.48 LACNIC Region origin ASes announcing only one prefix: 59 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 8.1 Max LACNIC Region AS path length visible: 16 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68 Number of LACNIC addresses announced to Internet: 4077824 Equivalent to 0 /8s, 62 /16s and 57 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 1260 Total AfriNIC prefixes after maximum aggregation: 178 AfriNIC Deaggregation factor: 7.08 Prefixes being announced from the AfriNIC address blocks: 1260 Unique aggregates announced from the AfriNIC address blocks: 225 AfriNIC Region origin ASes present in the Internet Routing Table: 49 AfriNIC Prefixes per ASN: 25.71 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2668544 Equivalent to 0 /8s, 40 /16s and 184 /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 590 2162 464 SINET-AS Research Organization of Infor 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 1237 194 74 142 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 176 329 119 AARNET-AS-AP Australian Academic and Re 17882 144 9 33 UNIVISION-AS-AP UNIVISION LLC, MN 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 128 19 18 NKN-CORE-NW NKN Core Network, IN 4850 90 0 1 DIGICOM-AS-AP Digicom LLC, MN 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 393 507 96 CSUNET-NW, US 668 204 652 173 DNIC-AS-00668, US 376 200 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 18558 141 18 4 NETBLK-RCOEK, US 81 126 521 30 NCREN, US 23024 109 7 22 OCDE, US 2920 105 34 9 LACOE, US 21976 80 51 18 NJEDGE-NET, US 1736 79 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 786 185 1767 182 JANET Jisc Services Limited, GB 8895 131 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 81 676 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 3267 79 44 68 RUNNET, RU 553 78 462 78 BELWUE BelWue-Koordination, DE Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 28391 154 10 67 Universidad Juarez Autonoma de Tabasco, 1916 149 176 42 Rede Nacional de Ensino e Pesquisa, BR 11340 106 24 50 Red Universitaria Nacional, CL 271640 68 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 44 99 34 Fundacao Carlos Chagas Filho de Amparo 61468 43 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 484 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 327687 162 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 45 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37215 11 8 1 MAREN, MW 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 590 2162 464 SINET-AS Research Organization of Infor 36914 484 82 3 KENET-AS, KE 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 2152 393 507 96 CSUNET-NW, US 2018 381 319 71 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 668 204 652 173 DNIC-AS-00668, US 376 200 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 1237 194 74 142 KREONET-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 484 481 KENET-AS, KE 7497 439 416 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 2152 393 297 CSUNET-NW, US 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 327687 162 159 RENU, UG 18558 141 137 NETBLK-RCOEK, US 8895 131 126 ISU Internet Services Unit ISU, SA 17882 144 111 UNIVISION-AS-AP UNIVISION LLC, MN Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 11570 UNALLOCATED 63.225.1.0/24 40498 ABQG, US 26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US 26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US 26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, 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 Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:1 /11:1 /12:10 /13:18 /14:33 /15:121 /16:1992 /17:417 /18:453 /19:575 /20:878 /21:896 /22:1557 /23:1605 /24:10944 /25:0 /26:0 /27:2 /28:4 /29:2 /30:4 /31:1 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 469 484 KENET-AS, KE 8895 126 131 ISU Internet Services Unit ISU, SA 4850 89 90 DIGICOM-AS-AP Digicom LLC, MN 23024 52 109 OCDE, US 2152 45 393 CSUNET-NW, US 327700 39 45 MoRENet, MZ 32440 38 61 LONI, US 3267 36 79 RUNNET, RU 17882 35 144 UNIVISION-AS-AP UNIVISION LLC, MN 18632 34 66 VOLCANO-VISION, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:1 14:89 23:6 24:3 27:4 31:7 35:6 36:2 38:8 40:1 41:181 42:10 43:8 44:7 45:43 46:5 47:1 49:9 50:3 52:1 58:1 59:23 60:6 61:3 62:10 63:37 64:61 65:5 66:87 67:43 68:10 69:17 70:2 71:1 72:7 74:51 76:42 77:10 78:3 79:9 80:12 81:25 82:7 83:7 84:10 85:43 86:4 87:1 89:10 91:51 92:2 93:4 94:4 95:2 96:5 97:2 98:2 101:2 102:33 103:335 104:75 107:16 108:10 109:7 111:16 112:15 114:24 116:8 117:61 118:32 119:19 121:27 122:24 123:8 124:40 125:5 128:84 129:44 130:84 131:65 132:52 133:155 134:109 136:196 137:139 138:57 139:9 140:39 141:3 142:39 143:22 144:26 145:2 146:132 147:57 148:194 149:12 150:43 151:12 152:132 153:14 154:30 155:63 156:67 157:18 158:35 159:115 160:30 161:16 162:26 163:84 164:13 165:47 167:13 168:117 169:7 170:105 171:1 172:3 173:7 175:18 176:8 177:6 179:11 180:15 181:1 182:1 184:2 185:56 186:3 187:16 188:14 189:3 190:18 191:13 192:1388 193:270 194:144 195:77 196:204 197:330 198:541 199:276 200:269 201:37 202:785 203:427 204:374 205:147 206:199 207:217 208:76 209:154 210:195 211:14 212:159 213:5 214:8 216:83 217:9 218:23 219:5 220:15 222:2 223:14 End of report