IPv4 R&E Routing Table Report 20:20 GMT Thu 28 Dec, 2023 IPv4 BGP Table (R&E) as seen at Erdemnet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Erdemnet/ Analysis Summary ---------------- BGP routing table entries examined: 19663 Prefixes after maximum aggregation (per Origin AS): 10723 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 11984 Number of IPv4 prefixes with a valid ROA: 6386 Number of IPv4 prefixes with an invalid ROA: 109 Number of IPv4 prefixes with no ROA: 13168 Total ASes present in the Internet Routing Table: 2817 Prefixes per ASN: 6.98 Origin-only ASes present in the Internet Routing Table: 2438 Origin ASes announcing only one prefix: 1098 Transit ASes present in the Internet Routing Table: 379 Transit-only ASes present in the Internet Routing Table: 67 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 6.3 Max AS path length visible: 17 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 17 Number of instances of unregistered ASNs: 17 Number of 32-bit ASNs allocated by the RIRs: 43276 Number of 32-bit ASNs visible in the Routing Table: 666 Prefixes from 32-bit ASNs in the Routing Table: 2034 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: 201248768 Equivalent to 11 /8s, 254 /16s and 208 /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: 2497 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5061 Total APNIC prefixes after maximum aggregation: 2382 APNIC Deaggregation factor: 2.12 Prefixes being announced from the APNIC address blocks: 5065 Unique aggregates announced from the APNIC address blocks: 2866 APNIC Region origin ASes present in the Internet Routing Table: 581 APNIC Prefixes per ASN: 8.72 APNIC Region origin ASes announcing only one prefix: 250 APNIC Region transit ASes present in the Internet Routing Table: 62 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 222 Number of APNIC addresses announced to Internet: 45574912 Equivalent to 2 /8s, 183 /16s and 107 /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: 8202 Total ARIN prefixes after maximum aggregation: 4678 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8229 Unique aggregates announced from the ARIN address blocks: 5181 ARIN Region origin ASes present in the Internet Routing Table: 1259 ARIN Prefixes per ASN: 6.54 ARIN Region origin ASes announcing only one prefix: 453 ARIN Region transit ASes present in the Internet Routing Table: 164 Average ARIN Region AS path length visible: 7.0 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 199 Number of ARIN addresses announced to Internet: 91281664 Equivalent to 5 /8s, 112 /16s and 217 /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: 3613 Total RIPE prefixes after maximum aggregation: 2899 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3599 Unique aggregates announced from the RIPE address blocks: 2943 RIPE Region origin ASes present in the Internet Routing Table: 688 RIPE Prefixes per ASN: 5.23 RIPE Region origin ASes announcing only one prefix: 307 RIPE Region transit ASes present in the Internet Routing Table: 102 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 149 Number of RIPE addresses announced to Internet: 57576960 Equivalent to 3 /8s, 110 /16s and 142 /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: 1440 Total LACNIC prefixes after maximum aggregation: 571 LACNIC Deaggregation factor: 2.52 Prefixes being announced from the LACNIC address blocks: 1438 Unique aggregates announced from the LACNIC address blocks: 765 LACNIC Region origin ASes present in the Internet Routing Table: 167 LACNIC Prefixes per ASN: 8.61 LACNIC Region origin ASes announcing only one prefix: 62 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 8.1 Max LACNIC Region AS path length visible: 16 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68 Number of LACNIC addresses announced to Internet: 4161536 Equivalent to 0 /8s, 63 /16s and 128 /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: 1330 Total AfriNIC prefixes after maximum aggregation: 178 AfriNIC Deaggregation factor: 7.47 Prefixes being announced from the AfriNIC address blocks: 1330 Unique aggregates announced from the AfriNIC address blocks: 228 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 26.60 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28 Number of AfriNIC addresses announced to Internet: 2653440 Equivalent to 0 /8s, 40 /16s and 125 /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 584 2146 461 SINET-AS Research Organization of Infor 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 1237 193 74 142 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 176 329 119 AARNET-AS-AP Australian Academic and Re 17882 144 9 33 UNIVISION-AS-AP UNIVISION LLC, MN 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 127 19 17 NKN-CORE-NW NKN Core Network, IN 4850 93 0 1 DIGICOM-AS-AP Digicom LLC, MN 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 384 507 96 CSUNET-NW, US 668 204 652 173 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 168 16 1 UPRENET, PR 18558 141 18 4 NETBLK-RCOEK, US 81 126 521 30 NCREN, US 23024 109 7 22 OCDE, US 2920 104 34 9 LACOE, US 21976 80 51 18 NJEDGE-NET, US 1736 79 16 1 MU-AS, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 Deutsch 786 185 1767 182 JANET Jisc Services Limited, GB 8895 131 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 81 676 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 76 462 76 BELWUE BelWue-Koordination, DE 3267 65 42 55 RUNNET, RU Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 210 176 42 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 67 Universidad Juarez Autonoma de Tabasco, 11340 106 24 50 Red Universitaria Nacional, CL 271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 50 17 3 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo 61468 43 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 515 82 3 KENET-AS, KE 2018 380 319 71 TENET-1, ZA 327687 160 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 45 16 1 MoRENet, MZ 3208 32 2 1 ARN, DZ 6879 24 2 9 ENSTINET-, EG 37074 14 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 584 2146 461 SINET-AS Research Organization of Infor 36914 515 82 3 KENET-AS, KE 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 2152 384 507 96 CSUNET-NW, US 2018 380 319 71 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 1916 210 176 42 Rede Nacional de Ensino e Pesquisa, BR 668 204 652 173 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 1237 193 74 142 KREONET-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 515 512 KENET-AS, KE 7497 437 414 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 2152 384 288 CSUNET-NW, US 58647 180 178 KAGAWAU-AS Kagawa University, JP 1916 210 168 Rede Nacional de Ensino e Pesquisa, BR 5786 168 167 UPRENET, PR 327687 160 157 RENU, UG 18558 141 137 NETBLK-RCOEK, US 8895 131 126 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 11570 UNALLOCATED 63.225.1.0/24 40498 ABQG, US 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US 11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:1 /11:1 /12:10 /13:18 /14:33 /15:121 /16:1992 /17:424 /18:449 /19:584 /20:883 /21:892 /22:1551 /23:1593 /24:11015 /25:0 /26:0 /27:2 /28:4 /29:2 /30:4 /31:1 /32:81 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 500 515 KENET-AS, KE 8895 126 131 ISU Internet Services Unit ISU, SA 4850 92 93 DIGICOM-AS-AP Digicom LLC, MN 23024 52 109 OCDE, US 2152 41 384 CSUNET-NW, US 327700 39 45 MoRENet, MZ 32440 38 62 LONI, US 17882 35 144 UNIVISION-AS-AP UNIVISION LLC, MN 18632 34 66 VOLCANO-VISION, US 200521 33 56 SEAP-AGE, ES Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:1 14:89 23:6 24:3 27:4 31:7 35:6 36:2 38:8 40:1 41:221 42:10 43:8 44:7 45:43 46:5 47:1 49:9 50:3 52:1 58:1 59:23 60:5 61:3 62:11 63:37 64:60 65:5 66:85 67:43 68:10 69:17 70:2 71:1 72:7 74:51 76:42 77:9 78:3 79:10 80:12 81:26 82:7 83:7 84:12 85:39 86:4 87:1 89:10 91:50 92:2 93:4 94:4 95:2 96:5 97:2 98:2 101:2 102:37 103:336 104:73 107:16 108:10 109:7 111:16 112:15 114:23 116:8 117:61 118:32 119:18 121:28 122:24 123:8 124:40 125:5 128:86 129:44 130:84 131:65 132:59 133:155 134:109 136:167 137:169 138:9 139:9 140:41 141:3 142:39 143:23 144:26 145:2 146:132 147:57 148:194 149:12 150:44 151:12 152:132 153:14 154:30 155:63 156:66 157:18 158:30 159:115 160:29 161:16 162:26 163:83 164:13 165:47 166:1 167:13 168:118 169:7 170:102 171:1 172:3 173:7 175:18 176:8 177:6 179:12 180:15 181:1 182:1 184:2 185:61 186:3 187:17 188:14 189:3 190:18 191:13 192:1388 193:304 194:141 195:93 196:197 197:321 198:532 199:277 200:324 201:37 202:780 203:436 204:369 205:146 206:199 207:217 208:76 209:150 210:193 211:14 212:159 213:5 214:8 216:83 217:9 218:23 219:5 220:15 222:2 223:14 End of report