IPv4 R&E Routing Table Report 18:45 GMT Sat 28 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: 8130 Prefixes after maximum aggregation (per Origin AS): 4460 Deaggregation factor: 1.82 Unique aggregates announced (without unneeded subnets): 5155 Number of IPv4 prefixes with a valid ROA: 3020 Number of IPv4 prefixes with an invalid ROA: 1 Number of IPv4 prefixes with no ROA: 5109 Total ASes present in the Internet Routing Table: 932 Prefixes per ASN: 8.72 Origin-only ASes present in the Internet Routing Table: 743 Origin ASes announcing only one prefix: 302 Transit ASes present in the Internet Routing Table: 189 Transit-only ASes present in the Internet Routing Table: 78 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.0 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: 46010 Number of 32-bit ASNs visible in the Routing Table: 236 Prefixes from 32-bit ASNs in the Routing Table: 486 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: 110094336 Equivalent to 6 /8s, 143 /16s and 232 /24s Percentage of available address space announced: 3.0 Percentage of allocated address space announced: 3.0 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: 1377 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 2623 Total APNIC prefixes after maximum aggregation: 1373 APNIC Deaggregation factor: 1.91 Prefixes being announced from the APNIC address blocks: 2623 Unique aggregates announced from the APNIC address blocks: 1560 APNIC Region origin ASes present in the Internet Routing Table: 282 APNIC Prefixes per ASN: 9.30 APNIC Region origin ASes announcing only one prefix: 137 APNIC Region transit ASes present in the Internet Routing Table: 44 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 141 Number of APNIC addresses announced to Internet: 36415744 Equivalent to 2 /8s, 43 /16s and 169 /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: 3706 Total ARIN prefixes after maximum aggregation: 2401 ARIN Deaggregation factor: 1.54 Prefixes being announced from the ARIN address blocks: 3710 Unique aggregates announced from the ARIN address blocks: 2807 ARIN Region origin ASes present in the Internet Routing Table: 434 ARIN Prefixes per ASN: 8.55 ARIN Region origin ASes announcing only one prefix: 107 ARIN Region transit ASes present in the Internet Routing Table: 100 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 11 Number of ARIN region 32-bit ASNs visible in the Routing Table: 58 Number of ARIN addresses announced to Internet: 59985920 Equivalent to 3 /8s, 147 /16s and 80 /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: 631 Total RIPE prefixes after maximum aggregation: 485 RIPE Deaggregation factor: 1.30 Prefixes being announced from the RIPE address blocks: 624 Unique aggregates announced from the RIPE address blocks: 549 RIPE Region origin ASes present in the Internet Routing Table: 100 RIPE Prefixes per ASN: 6.24 RIPE Region origin ASes announcing only one prefix: 41 RIPE Region transit ASes present in the Internet Routing Table: 18 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 20 Number of RIPE addresses announced to Internet: 11032320 Equivalent to 0 /8s, 168 /16s and 87 /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: 124 Total LACNIC prefixes after maximum aggregation: 76 LACNIC Deaggregation factor: 1.63 Prefixes being announced from the LACNIC address blocks: 127 Unique aggregates announced from the LACNIC address blocks: 86 LACNIC Region origin ASes present in the Internet Routing Table: 20 LACNIC Prefixes per ASN: 6.35 LACNIC Region origin ASes announcing only one prefix: 11 LACNIC Region transit ASes present in the Internet Routing Table: 9 Average LACNIC Region AS path length visible: 3.3 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 12 Number of LACNIC addresses announced to Internet: 380160 Equivalent to 0 /8s, 5 /16s and 205 /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: 1045 Total AfriNIC prefixes after maximum aggregation: 124 AfriNIC Deaggregation factor: 8.43 Prefixes being announced from the AfriNIC address blocks: 1045 Unique aggregates announced from the AfriNIC address blocks: 152 AfriNIC Region origin ASes present in the Internet Routing Table: 17 AfriNIC Prefixes per ASN: 61.47 AfriNIC Region origin ASes announcing only one prefix: 6 AfriNIC Region transit ASes present in the Internet Routing Table: 6 Average AfriNIC Region AS path length visible: 2.8 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 2279936 Equivalent to 0 /8s, 34 /16s and 202 /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 536 1979 427 SINET-AS Research Organization of Informa 7497 440 180 24 CSTNET-AS-AP Computer Network Information 7575 164 265 108 AARNET-AS-AP Australian Academic and Rese 55824 145 19 20 NKN-CORE-NW NKN Core Network, IN 4538 136 4192 71 ERX-CERNET-BKB China Education and Resear 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw 7560 33 10 10 CHONBUK-AS Jeonbuk National University, K 24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast 24151 30 2 12 CNNIC-CRITICAL-AP China Internet Network 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 668 195 561 168 DNIC-AS-00668, US 376 180 160 131 RISQ-AS, CA 2152 147 507 97 CENIC-2152, US 81 124 502 32 NCREN, US 270 115 328 79 AS270, US 23024 97 7 19 OCDE, US 237 79 509 45 MERIT-AS-14, US 22742 65 37 30 CT-EDU-NET, US 1706 64 53 54 UNIV-ARIZ, US 7939 61 16 10 UNIVCENTFLA, 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 115 8 63 ISU Internet Services Unit ISU, SA 1103 78 1564 70 SURFNET-NL SURFnet, The Netherlands, NL 3267 77 29 67 NIKS, RU 1653 52 150 49 SUNET SUNET Swedish University Network, E 1741 38 133 17 FUNETAS, FI 1880 14 1 7 STUPI, SE 8674 14 2 11 NETNOD-IX Netnod AB, SE 1101 12 465 12 IP-EEND-AS IP-EEND BV, NL 224 11 240 11 UNINETT UNINETT, The Norwegian University 29384 11 3 8 QATAR-FOUNDATION, QA 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 61468 49 5 16 CEDIA, EC 1251 32 31 27 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 28571 12 37 12 UNIVERSIDADE DE SAO PAULO, BR 269224 7 0 1 Universidade La Salle, BR 11340 3 0 3 Red Universitaria Nacional, CL 268334 3 0 2 Fundacao Universidade Alto Vale do Rio do 269825 3 0 1 UNIVERSIDAD DE LAS AMERICAS, EC 18592 2 2 2 Corporacion Universitaria para el Desarro 268839 2 0 1 Associacao Pro Ensino Superior em Novo Ha 1797 1 16 1 Uruguay, UY 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 540 82 3 KENET-AS, KE 2018 379 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 32 8 1 MAREN, MW 327700 12 16 1 MoRENet, MZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37182 3 0 3 TERNET, TZ 37520 3 16 3 Rhodes-Univ, ZA 22354 2 3 2 UNIV-DAR, 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 36914 540 82 3 KENET-AS, KE 2907 536 1979 427 SINET-AS Research Organization of Informa 7497 440 180 24 CSTNET-AS-AP Computer Network Information 2018 379 319 71 TENET-1, ZA 668 195 561 168 DNIC-AS-00668, US 376 180 160 131 RISQ-AS, CA 7575 164 265 108 AARNET-AS-AP Australian Academic and Rese 2152 147 507 97 CENIC-2152, US 55824 145 19 20 NKN-CORE-NW NKN Core Network, IN 4538 136 4192 71 ERX-CERNET-BKB China Education and Resear 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 440 416 CSTNET-AS-AP Computer Network Information Cente 2018 379 308 TENET-1, ZA 55824 145 125 NKN-CORE-NW NKN Core Network, IN 2907 536 109 SINET-AS Research Organization of Information a 81 124 92 NCREN, US 23024 97 78 OCDE, US 4538 136 65 ERX-CERNET-BKB China Education and Research Net 7575 164 56 AARNET-AS-AP Australian Academic and Research N 8895 115 52 ISU Internet Services Unit ISU, SA 7939 61 51 UNIVCENTFLA, 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 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 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 /14:27 /15:77 /16:897 /17:179 /18:191 /19:254 /20:369 /21:376 /22:591 /23:674 /24:4465 /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 516 540 KENET-AS, KE 8895 112 115 ISU Internet Services Unit ISU, SA 23024 37 97 OCDE, US 32440 35 60 LONI, US 3267 34 77 NIKS, RU 46115 32 33 LUTHER, US 25977 30 44 HCCS, US 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 37215 26 32 MAREN, MW 61468 23 49 CEDIA, EC 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 14:92 23:7 24:3 35:8 38:11 41:221 42:11 44:3 45:38 47:1 49:10 50:2 52:1 59:19 60:5 61:3 62:3 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 98:2 101:1 102:2 103:280 104:79 108:10 109:4 111:5 113:1 114:24 116:9 117:61 118:33 119:23 121:11 122:8 123:8 124:41 125:5 128:53 129:29 130:18 131:9 132:41 133:10 134:20 136:1 137:14 138:9 139:1 140:2 141:3 142:8 143:16 144:1 146:17 147:10 148:1 149:4 150:13 152:80 154:25 155:21 156:1 157:3 158:11 159:99 160:28 161:2 162:12 163:28 164:1 168:45 169:2 170:2 171:1 173:5 180:16 182:1 184:5 185:5 187:3 188:3 190:16 192:540 193:23 194:30 195:2 196:140 197:326 198:225 199:101 200:14 201:4 202:217 203:142 204:55 205:49 206:97 207:67 208:10 209:58 210:88 211:1 212:102 214:6 216:16 218:21 219:5 220:14 223:4 End of report