IPv4 R&E Routing Table Report 18:45 GMT Fri 02 Sep, 2022 IPv4 BGP Table (R&E) as seen at TENET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16077 Prefixes after maximum aggregation (per Origin AS): 8518 Deaggregation factor: 1.89 Unique aggregates announced (without unneeded subnets): 9728 Number of IPv4 prefixes with a valid ROA: 2891 Number of IPv4 prefixes with an invalid ROA: 36 Number of IPv4 prefixes with no ROA: 13150 Total ASes present in the Internet Routing Table: 2291 Prefixes per ASN: 7.02 Origin-only ASes present in the Internet Routing Table: 1979 Origin ASes announcing only one prefix: 856 Transit ASes present in the Internet Routing Table: 312 Transit-only ASes present in the Internet Routing Table: 60 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 17 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 5 Number of instances of unregistered ASNs: 5 Number of 32-bit ASNs allocated by the RIRs: 40116 Number of 32-bit ASNs visible in the Routing Table: 518 Prefixes from 32-bit ASNs in the Routing Table: 1532 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 162716160 Equivalent to 9 /8s, 178 /16s and 218 /24s Percentage of available address space announced: 4.4 Percentage of allocated address space announced: 4.4 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: 1625 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4602 Total APNIC prefixes after maximum aggregation: 2297 APNIC Deaggregation factor: 2.00 Prefixes being announced from the APNIC address blocks: 4603 Unique aggregates announced from the APNIC address blocks: 2605 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 7.90 APNIC Region origin ASes announcing only one prefix: 258 APNIC Region transit ASes present in the Internet Routing Table: 66 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 228 Number of APNIC addresses announced to Internet: 46035200 Equivalent to 2 /8s, 190 /16s and 113 /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, 131072-151865 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: 8212 Total ARIN prefixes after maximum aggregation: 4823 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 8222 Unique aggregates announced from the ARIN address blocks: 5436 ARIN Region origin ASes present in the Internet Routing Table: 1256 ARIN Prefixes per ASN: 6.55 ARIN Region origin ASes announcing only one prefix: 447 ARIN Region transit ASes present in the Internet Routing Table: 165 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: 187 Number of ARIN addresses announced to Internet: 96812288 Equivalent to 5 /8s, 197 /16s and 61 /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: 905 Total RIPE prefixes after maximum aggregation: 620 RIPE Deaggregation factor: 1.46 Prefixes being announced from the RIPE address blocks: 897 Unique aggregates announced from the RIPE address blocks: 606 RIPE Region origin ASes present in the Internet Routing Table: 200 RIPE Prefixes per ASN: 4.49 RIPE Region origin ASes announcing only one prefix: 85 RIPE Region transit ASes present in the Internet Routing Table: 31 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 26 Number of RIPE addresses announced to Internet: 13192448 Equivalent to 0 /8s, 201 /16s and 77 /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 196608-213403 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: 1436 Total LACNIC prefixes after maximum aggregation: 584 LACNIC Deaggregation factor: 2.46 Prefixes being announced from the LACNIC address blocks: 1436 Unique aggregates announced from the LACNIC address blocks: 798 LACNIC Region origin ASes present in the Internet Routing Table: 161 LACNIC Prefixes per ASN: 8.92 LACNIC Region origin ASes announcing only one prefix: 59 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: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68 Number of LACNIC addresses announced to Internet: 4222208 Equivalent to 0 /8s, 64 /16s and 109 /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: 917 Total AfriNIC prefixes after maximum aggregation: 189 AfriNIC Deaggregation factor: 4.85 Prefixes being announced from the AfriNIC address blocks: 917 Unique aggregates announced from the AfriNIC address blocks: 281 AfriNIC Region origin ASes present in the Internet Routing Table: 26 AfriNIC Prefixes per ASN: 35.27 AfriNIC Region origin ASes announcing only one prefix: 7 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 2.7 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9 Number of AfriNIC addresses announced to Internet: 2453504 Equivalent to 0 /8s, 37 /16s and 112 /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 565 2156 454 SINET-AS Research Organization of Infor 7497 433 182 24 CSTNET-AS-AP Computer Network Informati 1237 186 74 135 KREONET-AS-KR KISTI, KR 7575 175 329 121 AARNET-AS-AP Australian Academic and Re 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 4538 127 4176 72 ERX-CERNET-BKB China Education and Rese 55824 115 18 11 NKN-CORE-NW NKN Core Network, IN 4621 78 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 221 703 181 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 153 507 93 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 120 329 85 AS270, US 23024 114 7 17 OCDE, US 2920 108 34 7 LACOE, US 32531 90 6 60 FORDHAM-UNIVERSITY, US 21976 85 51 18 NJEDGE-NET, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8895 138 24 4 ISU Internet Services Unit ISU, SA 1103 98 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 1653 50 151 47 SUNET SUNET Swedish University Network, 3267 50 63 43 RUNNET, RU 1741 39 149 18 FUNETAS, FI 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 8674 18 2 11 NETNOD-IX Netnod AB, SE 224 13 256 13 UNINETT UNINETT, The Norwegian Universi 1101 13 481 13 IP-EEND-AS IP-EEND BV, NL 47862 12 1 4 ANKABUT, AE Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 158 208 43 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 95 24 54 Red Universitaria Nacional, CL 2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo 1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 61468 42 3 15 CEDIA, EC 4270 41 16 1 Red de Interconexion Universitaria, AR 28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 28614 37 2 2 Fundacao Universidade Regional de Blume Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 376 319 73 TENET-1, ZA 36914 243 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 48 48 15 PUKNET, ZA 327687 40 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 20 1 14 TERNET, TZ 37501 11 49 6 UOFS, ZA 37654 10 1 6 RwEdNet-AS, RW Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 565 2156 454 SINET-AS Research Organization of Infor 7497 433 182 24 CSTNET-AS-AP Computer Network Informati 2018 376 319 73 TENET-1, ZA 36914 243 82 3 KENET-AS, KE 668 221 703 181 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 1237 186 74 135 KREONET-AS-KR KISTI, KR 7575 175 329 121 AARNET-AS-AP Australian Academic and Re 58647 175 18 2 KAGAWAU-AS Kagawa University, JP Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 433 409 CSTNET-AS-AP Computer Network Information Cente 2018 376 303 TENET-1, ZA 36914 243 240 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 175 173 KAGAWAU-AS Kagawa University, JP 8895 138 134 ISU Internet Services Unit ISU, SA 18558 137 133 NETBLK-RCOEK, US 1916 158 115 Rede Nacional de Ensino e Pesquisa, BR 55824 115 104 NKN-CORE-NW NKN Core Network, IN 2920 108 101 LACOE, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/TENET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US Complete listing at https://bgp.nsrc.org/REN/TENET/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 /10:2 /11:1 /12:9 /13:17 /14:31 /15:88 /16:1505 /17:360 /18:400 /19:490 /20:766 /21:708 /22:1148 /23:1318 /24:9233 /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 230 243 KENET-AS, KE 8895 133 138 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 18632 34 63 VOLCANO-VISION, US 32440 32 47 LONI, US 46115 32 35 LUTHER, US 25977 31 45 HCCS, US 28614 31 37 Fundacao Universidade Regional de Blumenau, BR 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:3 4:2 6:4 8:2 12:1 14:86 18:43 23:10 24:3 35:6 38:9 40:1 41:131 42:10 44:3 45:30 47:1 49:10 50:3 52:1 58:1 59:20 60:4 61:3 62:1 63:38 64:53 65:5 66:35 67:45 68:9 69:19 70:2 71:1 72:7 74:50 76:36 77:4 80:10 81:1 82:6 84:1 85:20 86:4 87:1 89:2 91:15 92:1 93:1 96:5 97:1 98:2 101:6 102:8 103:306 104:74 107:16 108:11 109:7 110:4 111:16 114:23 116:6 117:61 118:32 119:23 121:27 122:8 123:8 124:39 125:4 128:83 129:32 130:90 131:69 132:59 133:145 134:96 136:199 137:68 138:11 139:5 140:59 141:3 142:40 143:29 144:23 146:129 147:55 148:186 149:12 150:130 151:12 152:78 153:2 154:28 155:51 156:66 157:25 158:41 159:115 160:26 161:39 162:26 163:76 164:10 165:64 166:1 167:16 168:120 169:10 170:69 172:2 173:7 175:30 176:8 177:11 179:10 180:18 181:1 182:4 184:2 185:9 186:3 187:19 188:3 189:3 190:34 191:36 192:1067 193:78 194:55 195:50 196:161 197:144 198:512 199:284 200:225 201:38 202:629 203:425 204:352 205:131 206:196 207:170 208:70 209:125 210:184 211:13 212:132 213:3 214:8 216:87 217:1 218:22 219:6 220:17 222:5 223:4 End of report