IPv4 R&E Routing Table Report 17:15 GMT Tue 29 Oct, 2024 IPv4 BGP Table (R&E) as seen at Janet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Janet/ Analysis Summary ---------------- BGP routing table entries examined: 18895 Prefixes after maximum aggregation (per Origin AS): 10360 Deaggregation factor: 1.82 Unique aggregates announced (without unneeded subnets): 11377 Number of IPv4 prefixes with a valid ROA: 7081 Number of IPv4 prefixes with an invalid ROA: 2 Number of IPv4 prefixes with no ROA: 11812 Total ASes present in the Internet Routing Table: 2670 Prefixes per ASN: 7.08 Origin-only ASes present in the Internet Routing Table: 2305 Origin ASes announcing only one prefix: 1032 Transit ASes present in the Internet Routing Table: 365 Transit-only ASes present in the Internet Routing Table: 65 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 19 Max AS path prepend of ASN (395156) 12 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: 45670 Number of 32-bit ASNs visible in the Routing Table: 649 Prefixes from 32-bit ASNs in the Routing Table: 1841 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: 3 Number of addresses announced to Internet: 201571840 Equivalent to 12 /8s, 3 /16s and 190 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 5.4 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: 2147 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4527 Total APNIC prefixes after maximum aggregation: 2232 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4525 Unique aggregates announced from the APNIC address blocks: 2556 APNIC Region origin ASes present in the Internet Routing Table: 547 APNIC Prefixes per ASN: 8.27 APNIC Region origin ASes announcing only one prefix: 234 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 12 Number of APNIC region 32-bit ASNs visible in the Routing Table: 214 Number of APNIC addresses announced to Internet: 45602560 Equivalent to 2 /8s, 183 /16s and 215 /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: 8512 Total ARIN prefixes after maximum aggregation: 4797 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 8528 Unique aggregates announced from the ARIN address blocks: 5243 ARIN Region origin ASes present in the Internet Routing Table: 1259 ARIN Prefixes per ASN: 6.77 ARIN Region origin ASes announcing only one prefix: 443 ARIN Region transit ASes present in the Internet Routing Table: 152 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 206 Number of ARIN addresses announced to Internet: 91209984 Equivalent to 5 /8s, 111 /16s and 193 /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: 3270 Total RIPE prefixes after maximum aggregation: 2622 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3258 Unique aggregates announced from the RIPE address blocks: 2639 RIPE Region origin ASes present in the Internet Routing Table: 591 RIPE Prefixes per ASN: 5.51 RIPE Region origin ASes announcing only one prefix: 271 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 13 Number of RIPE region 32-bit ASNs visible in the Routing Table: 137 Number of RIPE addresses announced to Internet: 58088448 Equivalent to 3 /8s, 118 /16s and 92 /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: 1430 Total LACNIC prefixes after maximum aggregation: 535 LACNIC Deaggregation factor: 2.67 Prefixes being announced from the LACNIC address blocks: 1427 Unique aggregates announced from the LACNIC address blocks: 718 LACNIC Region origin ASes present in the Internet Routing Table: 155 LACNIC Prefixes per ASN: 9.21 LACNIC Region origin ASes announcing only one prefix: 53 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 14 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 4125440 Equivalent to 0 /8s, 62 /16s and 243 /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: 1155 Total AfriNIC prefixes after maximum aggregation: 173 AfriNIC Deaggregation factor: 6.68 Prefixes being announced from the AfriNIC address blocks: 1154 Unique aggregates announced from the AfriNIC address blocks: 218 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 22.19 AfriNIC Region origin ASes announcing only one prefix: 31 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 2542848 Equivalent to 0 /8s, 38 /16s and 205 /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 590 2170 464 SINET-AS Research Organization of Informa 7497 449 212 25 CSTNET-AS-AP Computer Network Information 1237 191 74 145 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 55824 133 19 20 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 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 60 4 35 ERX-ERNET-AS Education and Research Netwo Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 429 507 98 CENIC-2152, US 2920 224 44 45 LACOE, US 668 205 648 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US 23024 95 7 21 OCDE, US 21976 91 50 17 NJEDGE-NET, US 237 85 541 50 MERIT-AS-14, US Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1899 249 DFN Verein zur Foerderung eines Deutschen 786 186 1764 181 JANET Jisc Services Limited, GB 8895 133 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch.c 1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 26 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 2200 58 598 54 FR-RENATER Reseau National de telecommuni Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 210 178 42 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 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 51 5 17 CEDIA, EC 2715 50 100 36 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/Janet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 523 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 35 16 1 MoRENet, MZ 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37074 15 8 2 UG-AS, GH 37661 12 8 4 NRaE1-AS, NG 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 590 2170 464 SINET-AS Research Organization of Informa 36914 523 82 3 KENET-AS, KE 7497 449 212 25 CSTNET-AS-AP Computer Network Information 2152 429 507 98 CENIC-2152, US 2018 381 319 71 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutschen 2920 224 44 45 LACOE, US 1916 210 178 42 Rede Nacional de Ensino e Pesquisa, BR 668 205 648 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 523 520 KENET-AS, KE 7497 449 424 CSTNET-AS-AP Computer Network Information Cente 2152 429 331 CENIC-2152, US 2018 381 310 TENET-1, ZA 5786 197 196 UPRENET, PR 2920 224 179 LACOE, US 58647 180 178 KAGAWAU-AS Kagawa University, JP 1916 210 168 Rede Nacional de Ensino e Pesquisa, BR 18558 140 136 NETBLK-RCOEK, US 8895 133 128 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/Janet/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/Janet/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 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/Janet/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 /12:11 /13:18 /14:35 /15:119 /16:1994 /17:422 /18:445 /19:569 /20:835 /21:872 /22:1425 /23:1527 /24:10620 /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 502 523 KENET-AS, KE 8895 128 133 ISU Internet Services Unit ISU, SA 2152 41 429 CENIC-2152, US 23024 37 95 OCDE, US 32440 37 64 LONI, US 327700 34 35 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 200521 31 54 SEAP-AGE, ES 25977 30 44 HCCS, US Complete listing at https://bgp.nsrc.org/REN/Janet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:1 14:92 23:6 24:3 31:1 35:3 37:8 38:10 40:1 41:237 42:8 44:5 45:44 46:4 47:1 49:11 50:2 52:1 59:19 60:6 61:3 62:6 63:32 64:43 65:4 66:42 67:40 68:12 69:19 70:2 71:1 72:7 74:53 76:41 77:7 78:3 79:10 80:4 81:25 82:4 83:6 84:7 85:25 86:3 87:1 89:11 91:40 93:13 94:2 95:2 96:5 97:1 98:2 101:1 102:12 103:282 104:79 108:8 109:4 111:16 113:2 114:24 116:9 117:61 118:33 119:23 121:27 122:8 123:8 124:42 125:3 128:55 129:36 130:95 131:60 132:52 133:154 134:109 136:197 137:83 138:58 139:6 140:35 141:3 142:52 143:26 144:27 145:2 146:136 147:61 148:195 149:12 150:40 151:8 152:140 153:14 154:39 155:63 156:138 157:26 158:31 159:121 160:31 161:17 162:22 163:61 164:11 165:49 166:1 167:25 168:120 169:7 170:88 172:2 173:7 175:5 177:6 179:13 180:16 181:1 182:1 184:6 185:46 186:3 187:21 188:11 189:3 190:18 191:13 192:1406 193:258 194:111 195:71 196:150 197:322 198:539 199:277 200:329 201:37 202:628 203:434 204:398 205:163 206:211 207:281 208:65 209:137 210:201 211:3 212:166 213:4 214:8 216:89 217:9 218:2 219:5 220:17 222:2 223:15 End of report