IPv4 R&E Routing Table Report 18:45 GMT Tue 22 Nov, 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: 16146 Prefixes after maximum aggregation (per Origin AS): 8503 Deaggregation factor: 1.90 Unique aggregates announced (without unneeded subnets): 9725 Number of IPv4 prefixes with a valid ROA: 3048 Number of IPv4 prefixes with an invalid ROA: 40 Number of IPv4 prefixes with no ROA: 13058 Total ASes present in the Internet Routing Table: 2282 Prefixes per ASN: 7.08 Origin-only ASes present in the Internet Routing Table: 1979 Origin ASes announcing only one prefix: 841 Transit ASes present in the Internet Routing Table: 303 Transit-only ASes present in the Internet Routing Table: 57 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 19 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: 40679 Number of 32-bit ASNs visible in the Routing Table: 509 Prefixes from 32-bit ASNs in the Routing Table: 1542 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: 162590976 Equivalent to 9 /8s, 176 /16s and 241 /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: 1641 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4679 Total APNIC prefixes after maximum aggregation: 2295 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4680 Unique aggregates announced from the APNIC address blocks: 2606 APNIC Region origin ASes present in the Internet Routing Table: 582 APNIC Prefixes per ASN: 8.04 APNIC Region origin ASes announcing only one prefix: 251 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 225 Number of APNIC addresses announced to Internet: 45972736 Equivalent to 2 /8s, 189 /16s and 125 /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: 8201 Total ARIN prefixes after maximum aggregation: 4815 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 8213 Unique aggregates announced from the ARIN address blocks: 5421 ARIN Region origin ASes present in the Internet Routing Table: 1251 ARIN Prefixes per ASN: 6.57 ARIN Region origin ASes announcing only one prefix: 444 ARIN Region transit ASes present in the Internet Routing Table: 163 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 186 Number of ARIN addresses announced to Internet: 96730880 Equivalent to 5 /8s, 195 /16s and 255 /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: 919 Total RIPE prefixes after maximum aggregation: 623 RIPE Deaggregation factor: 1.48 Prefixes being announced from the RIPE address blocks: 911 Unique aggregates announced from the RIPE address blocks: 628 RIPE Region origin ASes present in the Internet Routing Table: 202 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 81 RIPE Region transit ASes present in the Internet Routing Table: 30 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: 25 Number of RIPE addresses announced to Internet: 13214208 Equivalent to 0 /8s, 201 /16s and 162 /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: 1425 Total LACNIC prefixes after maximum aggregation: 578 LACNIC Deaggregation factor: 2.47 Prefixes being announced from the LACNIC address blocks: 1423 Unique aggregates announced from the LACNIC address blocks: 791 LACNIC Region origin ASes present in the Internet Routing Table: 160 LACNIC Prefixes per ASN: 8.89 LACNIC Region origin ASes announcing only one prefix: 59 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 4220160 Equivalent to 0 /8s, 64 /16s and 101 /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: 187 AfriNIC Deaggregation factor: 4.90 Prefixes being announced from the AfriNIC address blocks: 917 Unique aggregates announced from the AfriNIC address blocks: 277 AfriNIC Region origin ASes present in the Internet Routing Table: 25 AfriNIC Prefixes per ASN: 36.68 AfriNIC Region origin ASes announcing only one prefix: 6 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: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8 Number of AfriNIC addresses announced to Internet: 2452480 Equivalent to 0 /8s, 37 /16s and 108 /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 569 2156 456 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 1237 186 74 134 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 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 115 18 11 NKN-CORE-NW NKN Core Network, IN 4621 74 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 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 668 220 703 180 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2152 148 507 92 CSUNET-NW, US 18558 134 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 135 24 4 ISU Internet Services Unit ISU, SA 1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL 3267 57 63 42 RUNNET, RU 1653 50 151 47 SUNET SUNET Swedish University Network, 1741 39 149 18 FUNETAS, FI 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 8674 17 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 152 207 39 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 97 24 55 Red Universitaria Nacional, CL 1251 65 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 4270 44 16 1 Red de Interconexion Universitaria, AR 61468 42 3 15 CEDIA, EC 28571 40 40 18 UNIVERSIDADE DE SAO PAULO, BR 28614 38 2 2 Fundacao Universidade Regional de Blume 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 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 373 319 72 TENET-1, ZA 36914 247 82 3 KENET-AS, KE 2561 68 4 33 EUN, EG 8094 48 48 15 PUKNET, ZA 327687 41 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 17 1 13 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 569 2156 456 SINET-AS Research Organization of Infor 7497 434 182 24 CSTNET-AS-AP Computer Network Informati 2018 373 319 72 TENET-1, ZA 36914 247 82 3 KENET-AS, KE 668 220 703 180 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 1237 186 74 134 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 434 410 CSTNET-AS-AP Computer Network Information Cente 2018 373 301 TENET-1, ZA 36914 247 244 KENET-AS, KE 5786 199 198 UPRENET, PR 58647 175 173 KAGAWAU-AS Kagawa University, JP 8895 135 131 ISU Internet Services Unit ISU, SA 18558 134 130 NETBLK-RCOEK, US 1916 152 113 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 33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, 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 /16:1503 /17:361 /18:401 /19:483 /20:767 /21:710 /22:1215 /23:1325 /24:9232 /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 234 247 KENET-AS, KE 8895 130 135 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 18632 34 65 VOLCANO-VISION, US 32440 34 49 LONI, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 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) ---------------------------------------------- 1:4 4:2 6:4 8:2 12:1 14:86 18:43 23:10 24:3 35:6 37:1 38:9 40:1 41:129 42:10 44:3 45:31 47:1 49:10 50:3 52:1 58:1 59:20 60:4 61:3 62:3 63:37 64:53 65:5 66:49 67:44 68:9 69:21 70:2 71:1 72:7 74:50 76:37 77:6 80:8 81:1 82:6 84:1 85:18 86:6 87:1 89:2 91:15 92:1 93:1 96:5 97:3 98:2 101:6 102:3 103:310 104:72 107:16 108:11 109:7 110:4 111:16 114:23 116:6 117:61 118:32 119:23 121:27 122:8 123:8 124:39 125:4 128:83 129:33 130:89 131:55 132:61 133:146 134:97 136:198 137:68 138:9 139:5 140:55 141:3 142:40 143:29 144:23 146:131 147:57 148:186 149:12 150:130 151:11 152:77 153:2 154:28 155:52 156:67 157:23 158:42 159:115 160:26 161:38 162:26 163:79 164:10 165:59 166:1 167:16 168:124 169:10 170:73 171:1 172:2 173:7 175:31 176:8 177:10 179:10 180:18 181:1 182:4 184:3 185:12 186:3 187:19 188:3 189:3 190:18 191:36 192:1067 193:82 194:57 195:47 196:159 197:148 198:511 199:278 200:232 201:39 202:628 203:431 204:348 205:134 206:197 207:168 208:69 209:123 210:185 211:13 212:128 213:3 214:8 216:86 217:1 218:22 219:6 220:17 222:5 223:4 End of report