IPv4 R&E Routing Table Report 18:45 GMT Sun 22 Sep, 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: 4388 Prefixes after maximum aggregation (per Origin AS): 2153 Deaggregation factor: 2.04 Unique aggregates announced (without unneeded subnets): 2581 Number of IPv4 prefixes with a valid ROA: 1754 Number of IPv4 prefixes with an invalid ROA: 1 Number of IPv4 prefixes with no ROA: 2633 Total ASes present in the Internet Routing Table: 815 Prefixes per ASN: 5.38 Origin-only ASes present in the Internet Routing Table: 637 Origin ASes announcing only one prefix: 341 Transit ASes present in the Internet Routing Table: 178 Transit-only ASes present in the Internet Routing Table: 79 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 13 Max AS path prepend of ASN ( 45768) 8 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: 45413 Number of 32-bit ASNs visible in the Routing Table: 169 Prefixes from 32-bit ASNs in the Routing Table: 337 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: 83937792 Equivalent to 5 /8s, 0 /16s and 202 /24s Percentage of available address space announced: 2.3 Percentage of allocated address space announced: 2.3 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: 1139 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 1153 Total APNIC prefixes after maximum aggregation: 565 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 1152 Unique aggregates announced from the APNIC address blocks: 679 APNIC Region origin ASes present in the Internet Routing Table: 205 APNIC Prefixes per ASN: 5.62 APNIC Region origin ASes announcing only one prefix: 107 APNIC Region transit ASes present in the Internet Routing Table: 41 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 79 Number of APNIC addresses announced to Internet: 27709440 Equivalent to 1 /8s, 166 /16s and 208 /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: 1959 Total ARIN prefixes after maximum aggregation: 1104 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 1964 Unique aggregates announced from the ARIN address blocks: 1316 ARIN Region origin ASes present in the Internet Routing Table: 414 ARIN Prefixes per ASN: 4.74 ARIN Region origin ASes announcing only one prefix: 171 ARIN Region transit ASes present in the Internet Routing Table: 98 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 10 Number of ARIN region 32-bit ASNs visible in the Routing Table: 56 Number of ARIN addresses announced to Internet: 46396672 Equivalent to 2 /8s, 195 /16s and 245 /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: 300 Total RIPE prefixes after maximum aggregation: 251 RIPE Deaggregation factor: 1.20 Prefixes being announced from the RIPE address blocks: 296 Unique aggregates announced from the RIPE address blocks: 261 RIPE Region origin ASes present in the Internet Routing Table: 82 RIPE Prefixes per ASN: 3.61 RIPE Region origin ASes announcing only one prefix: 45 RIPE Region transit ASes present in the Internet Routing Table: 14 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 15 Number of RIPE addresses announced to Internet: 7728384 Equivalent to 0 /8s, 117 /16s and 237 /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: 46 Total LACNIC prefixes after maximum aggregation: 29 LACNIC Deaggregation factor: 1.59 Prefixes being announced from the LACNIC address blocks: 46 Unique aggregates announced from the LACNIC address blocks: 31 LACNIC Region origin ASes present in the Internet Routing Table: 20 LACNIC Prefixes per ASN: 2.30 LACNIC Region origin ASes announcing only one prefix: 12 LACNIC Region transit ASes present in the Internet Routing Table: 10 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: 14 Number of LACNIC addresses announced to Internet: 152832 Equivalent to 0 /8s, 2 /16s and 85 /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: 929 Total AfriNIC prefixes after maximum aggregation: 203 AfriNIC Deaggregation factor: 4.58 Prefixes being announced from the AfriNIC address blocks: 929 Unique aggregates announced from the AfriNIC address blocks: 293 AfriNIC Region origin ASes present in the Internet Routing Table: 14 AfriNIC Prefixes per ASN: 66.36 AfriNIC Region origin ASes announcing only one prefix: 6 AfriNIC Region transit ASes present in the Internet Routing Table: 4 Average AfriNIC Region AS path length visible: 3.0 Max AfriNIC Region AS path length visible: 5 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 1950208 Equivalent to 0 /8s, 29 /16s and 194 /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 7497 139 138 8 CSTNET-AS-AP Computer Network Information 4538 112 3596 73 ERX-CERNET-BKB China Education and Resear 2907 79 902 52 SINET-AS Research Organization of Informa 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 7575 55 216 32 AARNET-AS-AP Australian Academic and Rese 38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw 45773 47 3 5 HECPERN-AS-PK PERN AS Content Servie Prov 24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast 24151 28 2 11 CNNIC-CRITICAL-AP China Internet Network 24363 28 21 15 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong 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 85 425 70 DNIC-AS-00668, US 21976 79 49 13 NJEDGE-NET, US 237 76 509 41 MERIT-AS-14, US 7939 60 16 9 UNIVCENTFLA, US 2152 57 290 26 CENIC-2152, US 23024 55 3 18 OCDE, US 32440 41 32 2 LONI, US 4 33 15 9 ISI-AS, US 25977 33 8 8 HCCS, US 46115 33 2 1 LUTHER, 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 1103 57 953 51 SURFNET-NL SURFnet, The Netherlands, NL 3267 44 19 38 NIKS, RU 1653 35 145 34 SUNET SUNET Swedish University Network, E 1101 13 481 13 IP-EEND-AS IP-EEND BV, NL 29384 8 2 5 QATAR-FOUNDATION, QA 224 6 112 6 UNINETT UNINETT, The Norwegian University 42236 6 1 1 ITM8-AS, DK 1741 5 80 5 FUNETAS, FI 42289 5 2 1 ITMO-AS ITMO, RU 50999 5 8 1 KAUST-AS1, SA 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 11 1 4 CEDIA, EC 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 268744 3 2 3 APESC - Associacao Pro-Ensino em Santa Cr 269825 3 0 1 UNIVERSIDAD DE LAS AMERICAS, EC 268118 2 1 2 UNIVERSIDADE FEDERAL DE SANTA MARIA, BR 268839 2 0 1 Associacao Pro Ensino Superior em Novo Ha 1251 1 16 1 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 22724 1 0 1 PUNTONET S.A., EC 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 520 82 3 KENET-AS, KE 2018 254 220 158 TENET-1, ZA 327700 49 16 1 MoRENet, MZ 8094 47 48 18 PUKNET, ZA 37215 32 8 1 MAREN, MW 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37532 2 20 2 ZAMREN, ZM 37182 1 0 1 TERNET, TZ 37654 1 0 1 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 36914 520 82 3 KENET-AS, KE 2018 254 220 158 TENET-1, ZA 7497 139 138 8 CSTNET-AS-AP Computer Network Information 4538 112 3596 73 ERX-CERNET-BKB China Education and Resear 668 85 425 70 DNIC-AS-00668, US 2907 79 902 52 SINET-AS Research Organization of Informa 21976 79 49 13 NJEDGE-NET, US 237 76 509 41 MERIT-AS-14, US 7939 60 16 9 UNIVCENTFLA, US 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 139 131 CSTNET-AS-AP Computer Network Information Cente 2018 254 96 TENET-1, ZA 21976 79 66 NJEDGE-NET, US 7939 60 51 UNIVCENTFLA, US 23570 59 48 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 38280 50 48 MONASHUNI-MY-AS-AP Monash University Sunway Cam 327700 49 48 MoRENet, MZ 45773 47 42 HECPERN-AS-PK PERN AS Content Servie Provider, 4538 112 39 ERX-CERNET-BKB China Education and Research Net 32440 41 39 LONI, 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 /12:6 /13:11 /14:19 /15:63 /16:651 /17:136 /18:138 /19:156 /20:232 /21:197 /22:284 /23:280 /24:2212 /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 499 520 KENET-AS, KE 327700 43 49 MoRENet, MZ 3267 33 44 NIKS, RU 46115 32 33 LUTHER, US 25977 30 33 HCCS, US 27609 29 29 USC-UNIVERSITY-HOSPITAL, US 32440 26 41 LONI, US 37215 26 32 MAREN, MW 1968 21 25 UMASSNET-AS1968, US 22742 18 27 CT-EDU-NET, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 4:2 6:4 8:2 12:1 23:6 24:3 35:7 38:10 40:1 41:248 42:10 44:4 45:38 47:1 49:7 50:3 52:1 58:1 59:19 60:6 61:3 62:3 63:33 64:44 65:1 66:37 67:41 68:12 69:18 70:2 71:1 72:7 74:50 76:42 77:8 80:5 81:1 82:4 83:1 84:2 85:20 86:5 87:1 89:2 91:7 92:2 93:1 96:5 97:1 98:2 101:1 102:2 103:186 104:79 108:10 109:3 111:16 113:2 114:24 116:9 117:61 118:34 119:25 121:26 122:8 123:8 124:43 125:5 128:50 129:29 130:82 131:12 132:41 133:12 134:22 136:1 137:14 138:9 140:2 141:3 142:8 143:16 146:19 152:9 154:14 155:13 161:2 162:2 168:20 180:1 184:1 185:1 192:61 196:101 197:311 198:21 199:3 202:7 203:9 204:4 205:2 206:8 209:3 214:1 218:19 219:1 End of report