IPv4 R&E Routing Table Report 20:20 GMT Wed 18 May, 2022 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: 18999 Prefixes after maximum aggregation (per Origin AS): 10792 Deaggregation factor: 1.76 Unique aggregates announced (without unneeded subnets): 12197 Number of IPv4 prefixes with a valid ROA: 4295 Number of IPv4 prefixes with an invalid ROA: 129 Number of IPv4 prefixes with no ROA: 14575 Total ASes present in the Internet Routing Table: 2812 Prefixes per ASN: 6.76 Origin-only ASes present in the Internet Routing Table: 2426 Origin ASes announcing only one prefix: 1112 Transit ASes present in the Internet Routing Table: 386 Transit-only ASes present in the Internet Routing Table: 58 Average AS path length visible in the Internet Routing Table: 6.4 Max AS path length visible: 21 Max AS path prepend of ASN ( 1149) 11 Prefixes from unregistered ASNs in the Routing Table: 12 Number of instances of unregistered ASNs: 12 Number of 32-bit ASNs allocated by the RIRs: 39418 Number of 32-bit ASNs visible in the Routing Table: 642 Prefixes from 32-bit ASNs in the Routing Table: 1721 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 119 Prefixes being announced from unallocated address space: 41 Number of addresses announced to Internet: 205319041 Equivalent to 12 /8s, 60 /16s and 235 /24s Percentage of available address space announced: 5.5 Percentage of allocated address space announced: 5.5 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: 2202 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5276 Total APNIC prefixes after maximum aggregation: 2525 APNIC Deaggregation factor: 2.09 Prefixes being announced from the APNIC address blocks: 5162 Unique aggregates announced from the APNIC address blocks: 2928 APNIC Region origin ASes present in the Internet Routing Table: 628 APNIC Prefixes per ASN: 8.22 APNIC Region origin ASes announcing only one prefix: 271 APNIC Region transit ASes present in the Internet Routing Table: 77 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 247 Number of APNIC addresses announced to Internet: 46104832 Equivalent to 2 /8s, 191 /16s and 129 /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: 7905 Total ARIN prefixes after maximum aggregation: 4663 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 7926 Unique aggregates announced from the ARIN address blocks: 5303 ARIN Region origin ASes present in the Internet Routing Table: 1233 ARIN Prefixes per ASN: 6.43 ARIN Region origin ASes announcing only one prefix: 447 ARIN Region transit ASes present in the Internet Routing Table: 159 Average ARIN Region AS path length visible: 7.2 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 174 Number of ARIN addresses announced to Internet: 94396417 Equivalent to 5 /8s, 160 /16s and 96 /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: 3486 Total RIPE prefixes after maximum aggregation: 2836 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3474 Unique aggregates announced from the RIPE address blocks: 2801 RIPE Region origin ASes present in the Internet Routing Table: 672 RIPE Prefixes per ASN: 5.17 RIPE Region origin ASes announcing only one prefix: 304 RIPE Region transit ASes present in the Internet Routing Table: 100 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: 133 Number of RIPE addresses announced to Internet: 57935360 Equivalent to 3 /8s, 116 /16s and 6 /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: 1390 Total LACNIC prefixes after maximum aggregation: 561 LACNIC Deaggregation factor: 2.48 Prefixes being announced from the LACNIC address blocks: 1387 Unique aggregates announced from the LACNIC address blocks: 756 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.41 LACNIC Region origin ASes announcing only one prefix: 69 LACNIC Region transit ASes present in the Internet Routing Table: 22 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: 64 Number of LACNIC addresses announced to Internet: 4216320 Equivalent to 0 /8s, 64 /16s and 86 /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: 930 Total AfriNIC prefixes after maximum aggregation: 195 AfriNIC Deaggregation factor: 4.77 Prefixes being announced from the AfriNIC address blocks: 929 Unique aggregates announced from the AfriNIC address blocks: 289 AfriNIC Region origin ASes present in the Internet Routing Table: 47 AfriNIC Prefixes per ASN: 19.77 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24 Number of AfriNIC addresses announced to Internet: 2662912 Equivalent to 0 /8s, 40 /16s and 162 /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 571 2140 454 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 1237 187 74 135 KREONET-AS-KR KISTI, KR 7575 177 330 123 AARNET-AS-AP Australian Academic and Re 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 9934 169 3 115 MICOM-MN-AS Mongolia Telecom, MN 17882 163 10 32 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN 4538 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 115 18 11 NKN-CORE-NW NKN Core Network, IN 4621 78 37 10 UNINET-AS-AP UNINET-, TH 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 668 210 702 178 DNIC-AS-00668, US 376 202 178 151 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 153 507 91 CSUNET-NW, US 18558 131 18 4 NETBLK-RCOEK, US 23024 114 7 17 OCDE, US 2920 107 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 78 496 15 MIT-GATEWAYS, 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 1965 250 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 138 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 2614 96 27 76 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2200 63 583 58 FR-RENATER Reseau National de telecommu 1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol 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 156 208 45 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 Red Universitaria Nacional, CL 1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 4270 43 16 1 Red de Interconexion Universitaria, AR 61468 41 3 15 CEDIA, EC 28614 37 2 2 Fundacao Universidade Regional de Blume 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA 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 2018 375 319 74 TENET-1, ZA 36914 212 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 49 48 9 PUKNET, ZA 327687 37 28 3 RENU, UG 327700 36 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 17 8 1 TERNET, TZ 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 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 571 2140 454 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 375 319 74 TENET-1, ZA 680 283 1965 250 DFN Verein zur Foerderung eines Deutsch 36914 212 82 3 KENET-AS, KE 668 210 702 178 DNIC-AS-00668, US 376 202 178 151 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 1237 187 74 135 KREONET-AS-KR KISTI, KR 786 186 1774 183 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 432 408 CSTNET-AS-AP Computer Network Information Cente 2018 375 301 TENET-1, ZA 36914 212 209 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 175 173 KAGAWAU-AS Kagawa University, JP 8895 138 134 ISU Internet Services Unit ISU, SA 17882 163 131 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN-MCS-AP 18558 131 127 NETBLK-RCOEK, US 1916 156 111 Rede Nacional de Ensino e Pesquisa, BR 55824 115 104 NKN-CORE-NW NKN Core Network, IN 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 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 14212 UNALLOCATED 198.189.240.0/24 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 65101 PRIVATE 202.21.123.0/24 9484 MOBINET-AS-MN Mobinet LLC. A 65512 PRIVATE 202.126.89.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 65512 PRIVATE 202.126.90.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 65250 PRIVATE 202.126.91.0/24 55805 MOBICOM-AS-MN MobiCom Corpor 14212 UNALLOCATED 205.155.0.0/19 2152 CSUNET-NW, US 14212 UNALLOCATED 205.155.240.0/20 2152 CSUNET-NW, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.10.80.0/24 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.130.172/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.132.100/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.135.56/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.136.202/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.140.202/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.141.203/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.144.177/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.145.42/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.146.60/32 9934 MICOM-MN-AS Mongolia Telecom, MN Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 172.16.179.112/30 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.179.112/30 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.179.148/30 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.179.148/30 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.180.0/30 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.180.0/30 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.200.0/26 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.200.0/26 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 172.16.200.72/29 Origin: 9934 MICOM-MN-AS Mongolia Telecom, MN 172.16.200.72/29 Transit: 10076 ASN-ERDEMNET # AS-ERDEMNET CONVERTED TO 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 /10:2 /11:1 /12:10 /13:18 /14:35 /15:122 /16:2010 /17:399 /18:440 /19:563 /20:880 /21:884 /22:1441 /23:1560 /24:10416 /25:0 /26:2 /27:3 /28:7 /29:10 /30:55 /31:1 /32:138 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 199 212 KENET-AS, KE 8895 133 138 ISU Internet Services Unit ISU, SA 9934 103 169 MICOM-MN-AS Mongolia Telecom, MN 4850 76 77 DIGICOM-AS-AP Digicom LLC, MN 23024 53 114 OCDE, US 17882 47 163 ASN-MCS-AP # AS-MCS-AP CONVERTED TO ASN-MCS-AP 327700 32 36 MoRENet, MZ 25977 31 45 HCCS, US 28614 31 37 Fundacao Universidade Regional de Blumenau, BR 32440 30 45 LONI, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:3 5:15 6:4 8:2 10:4 12:1 14:85 18:43 23:10 24:3 27:4 31:6 35:4 37:6 38:9 40:1 41:124 42:10 43:11 44:4 45:42 46:6 47:1 49:10 50:4 52:1 59:24 60:4 61:3 62:7 63:38 64:73 65:4 66:81 67:44 68:8 69:19 70:2 71:1 72:9 74:18 76:34 77:7 78:3 79:10 80:17 81:28 82:5 83:6 84:9 85:39 86:4 87:1 88:1 89:10 91:45 93:10 94:4 95:4 96:5 97:1 98:2 101:6 102:11 103:374 104:76 107:17 108:8 109:10 110:4 111:16 112:15 114:23 116:7 117:61 118:32 119:23 121:27 122:24 123:8 124:39 125:4 128:91 129:38 130:93 131:84 132:58 133:145 134:97 136:200 137:76 138:9 139:9 140:52 141:1 142:41 143:31 144:23 145:2 146:128 147:59 148:192 149:12 150:44 151:6 152:71 153:13 154:29 155:51 156:67 157:21 158:41 159:116 160:25 161:22 162:21 163:63 164:19 165:57 166:1 167:16 168:123 169:10 170:67 171:1 172:7 173:7 175:31 176:8 177:12 179:9 180:21 181:1 182:6 184:8 185:38 186:3 187:19 188:13 189:5 190:34 191:33 192:1385 193:308 194:142 195:85 196:163 197:121 198:495 199:284 200:233 201:38 202:791 203:436 204:331 205:169 206:197 207:176 208:71 209:123 210:184 211:15 212:149 213:5 214:7 216:85 217:11 218:23 219:6 220:17 222:5 223:3 End of report