IPv4 R&E Routing Table Report 18:45 GMT Tue 24 Dec, 2024 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: 16664 Prefixes after maximum aggregation (per Origin AS): 8428 Deaggregation factor: 1.98 Unique aggregates announced (without unneeded subnets): 9529 Number of IPv4 prefixes with a valid ROA: 5855 Number of IPv4 prefixes with an invalid ROA: 2 Number of IPv4 prefixes with no ROA: 10807 Total ASes present in the Internet Routing Table: 2243 Prefixes per ASN: 7.43 Origin-only ASes present in the Internet Routing Table: 1952 Origin ASes announcing only one prefix: 824 Transit ASes present in the Internet Routing Table: 291 Transit-only ASes present in the Internet Routing Table: 54 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 28 Max AS path prepend of ASN (138136) 20 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 46013 Number of 32-bit ASNs visible in the Routing Table: 521 Prefixes from 32-bit ASNs in the Routing Table: 1517 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: 2 Number of addresses announced to Internet: 157880832 Equivalent to 9 /8s, 105 /16s and 18 /24s Percentage of available address space announced: 4.3 Percentage of allocated address space announced: 4.3 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: 1811 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4669 Total APNIC prefixes after maximum aggregation: 2252 APNIC Deaggregation factor: 2.07 Prefixes being announced from the APNIC address blocks: 4668 Unique aggregates announced from the APNIC address blocks: 2607 APNIC Region origin ASes present in the Internet Routing Table: 559 APNIC Prefixes per ASN: 8.35 APNIC Region origin ASes announcing only one prefix: 238 APNIC Region transit ASes present in the Internet Routing Table: 59 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 208 Number of APNIC addresses announced to Internet: 45540608 Equivalent to 2 /8s, 182 /16s and 229 /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: 8664 Total ARIN prefixes after maximum aggregation: 4886 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 8672 Unique aggregates announced from the ARIN address blocks: 5383 ARIN Region origin ASes present in the Internet Routing Table: 1264 ARIN Prefixes per ASN: 6.86 ARIN Region origin ASes announcing only one prefix: 441 ARIN Region transit ASes present in the Internet Routing Table: 156 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 208 Number of ARIN addresses announced to Internet: 92089600 Equivalent to 5 /8s, 125 /16s and 45 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 878 Total RIPE prefixes after maximum aggregation: 614 RIPE Deaggregation factor: 1.43 Prefixes being announced from the RIPE address blocks: 872 Unique aggregates announced from the RIPE address blocks: 649 RIPE Region origin ASes present in the Internet Routing Table: 188 RIPE Prefixes per ASN: 4.64 RIPE Region origin ASes announcing only one prefix: 82 RIPE Region transit ASes present in the Internet Routing Table: 28 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 33 Number of RIPE addresses announced to Internet: 13828352 Equivalent to 0 /8s, 211 /16s and 1 /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, 53/8, 57/8, 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: 1373 Total LACNIC prefixes after maximum aggregation: 533 LACNIC Deaggregation factor: 2.58 Prefixes being announced from the LACNIC address blocks: 1371 Unique aggregates announced from the LACNIC address blocks: 702 LACNIC Region origin ASes present in the Internet Routing Table: 154 LACNIC Prefixes per ASN: 8.90 LACNIC Region origin ASes announcing only one prefix: 54 LACNIC Region transit ASes present in the Internet Routing Table: 24 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: 65 Number of LACNIC addresses announced to Internet: 4131072 Equivalent to 0 /8s, 63 /16s and 9 /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: 1079 Total AfriNIC prefixes after maximum aggregation: 142 AfriNIC Deaggregation factor: 7.60 Prefixes being announced from the AfriNIC address blocks: 1079 Unique aggregates announced from the AfriNIC address blocks: 186 AfriNIC Region origin ASes present in the Internet Routing Table: 23 AfriNIC Prefixes per ASN: 46.91 AfriNIC Region origin ASes announcing only one prefix: 9 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 2.8 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7 Number of AfriNIC addresses announced to Internet: 2290688 Equivalent to 0 /8s, 34 /16s and 244 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 625 2200 462 SINET-AS Research Organization of Informa 7497 445 180 24 CSTNET-AS-AP Computer Network Information 1237 191 74 145 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 313 116 AARNET-AS-AP Australian Academic and Rese 55824 146 19 20 NKN-CORE-NW NKN Core Network, IN 4538 139 4192 71 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 69 37 10 UNINET-AS-AP UNINET-, TH 2697 59 4 34 ERX-ERNET-AS Education and Research Netwo 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 2152 510 507 99 CENIC-2152, US 2920 226 44 49 LACOE, US 668 205 646 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 186 16 1 UPRENET, PR 18558 141 18 5 NETBLK-RCOEK, US 81 128 519 34 NCREN, US 270 117 328 81 AS270, US 23024 97 7 19 OCDE, US 21976 91 50 17 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 129 24 5 ISU Internet Services Unit ISU, SA 1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL 3267 77 27 67 NIKS, RU 1653 52 150 49 SUNET SUNET Swedish University Network, E 1741 39 149 18 FUNETAS, FI 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 8674 16 2 11 NETNOD-IX Netnod AB, SE 1880 14 1 7 STUPI, SE 224 13 256 13 UNINETT UNINETT, The Norwegian University 1101 12 465 12 IP-EEND-AS IP-EEND BV, NL 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 158 178 41 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 110 25 53 Red Universitaria Nacional, CL 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 52 5 17 CEDIA, EC 2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blumena 1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 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 36914 537 82 3 KENET-AS, KE 2018 379 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 32 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 327700 13 16 1 MoRENet, MZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37654 6 0 5 RwEdNet-AS, RW 37182 3 0 3 TERNET, TZ 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 625 2200 462 SINET-AS Research Organization of Informa 36914 537 82 3 KENET-AS, KE 2152 510 507 99 CENIC-2152, US 7497 445 180 24 CSTNET-AS-AP Computer Network Information 2018 379 319 71 TENET-1, ZA 2920 226 44 49 LACOE, US 668 205 646 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 1237 191 74 145 KREONET-AS-KR KISTI, KR 5786 186 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 537 534 KENET-AS, KE 7497 445 421 CSTNET-AS-AP Computer Network Information Cente 2152 510 411 CENIC-2152, US 2018 379 308 TENET-1, ZA 5786 186 185 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 226 177 LACOE, US 18558 141 136 NETBLK-RCOEK, US 55824 146 126 NKN-CORE-NW NKN Core Network, IN 8895 129 124 ISU Internet Services Unit ISU, SA 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 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U 202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH 203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University 203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 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 /10:1 /11:1 /12:10 /13:17 /14:30 /15:87 /16:1469 /17:371 /18:407 /19:495 /20:750 /21:707 /22:1172 /23:1345 /24:9801 /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 513 537 KENET-AS, KE 8895 124 129 ISU Internet Services Unit ISU, SA 2152 61 510 CENIC-2152, US 23024 37 97 OCDE, US 32440 36 61 LONI, US 3267 34 77 NIKS, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 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) ---------------------------------------------- 1:2 4:2 6:4 8:2 12:2 14:93 23:7 24:3 35:8 38:11 41:224 42:11 44:3 45:45 47:1 49:10 50:2 52:1 59:19 60:5 61:3 62:2 63:32 64:44 65:5 66:43 67:39 68:12 69:18 70:2 71:1 72:7 74:49 76:40 77:8 80:5 81:1 82:4 83:1 84:2 85:20 86:5 87:1 89:2 91:6 92:2 93:1 96:5 97:1 98:2 101:1 102:2 103:292 104:79 108:10 109:4 111:21 113:1 114:24 116:9 117:61 118:33 119:23 121:27 122:8 123:8 124:41 125:5 128:53 129:29 130:96 131:59 132:65 133:155 134:106 136:186 137:93 138:57 139:5 140:33 141:3 142:38 143:24 144:24 146:136 147:60 148:188 149:13 150:70 151:9 152:132 153:3 154:32 155:64 156:130 157:25 158:33 159:117 160:33 161:17 162:24 163:62 164:11 165:49 166:1 167:26 168:119 169:7 170:89 171:1 172:2 173:7 175:16 177:6 179:13 180:16 181:1 182:11 184:6 185:11 186:3 187:22 188:4 189:5 190:18 191:13 192:1092 193:37 194:56 195:29 196:144 197:321 198:554 199:278 200:263 201:37 202:639 203:437 204:398 205:176 206:211 207:305 208:65 209:155 210:218 211:3 212:122 213:2 214:8 216:91 218:23 219:6 220:16 222:2 223:15 End of report