IPv4 R&E Routing Table Report 20:20 GMT Mon 30 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: 18885 Prefixes after maximum aggregation (per Origin AS): 10740 Deaggregation factor: 1.76 Unique aggregates announced (without unneeded subnets): 12138 Number of IPv4 prefixes with a valid ROA: 4131 Number of IPv4 prefixes with an invalid ROA: 123 Number of IPv4 prefixes with no ROA: 14631 Total ASes present in the Internet Routing Table: 2787 Prefixes per ASN: 6.78 Origin-only ASes present in the Internet Routing Table: 2402 Origin ASes announcing only one prefix: 1110 Transit ASes present in the Internet Routing Table: 385 Transit-only ASes present in the Internet Routing Table: 61 Average AS path length visible in the Internet Routing Table: 6.3 Max AS path length visible: 21 Max AS path prepend of ASN ( 1149) 11 Prefixes from unregistered ASNs in the Routing Table: 9 Number of instances of unregistered ASNs: 9 Number of 32-bit ASNs allocated by the RIRs: 39501 Number of 32-bit ASNs visible in the Routing Table: 631 Prefixes from 32-bit ASNs in the Routing Table: 1678 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: 40 Number of addresses announced to Internet: 205174182 Equivalent to 12 /8s, 58 /16s and 181 /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: 2178 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5236 Total APNIC prefixes after maximum aggregation: 2527 APNIC Deaggregation factor: 2.07 Prefixes being announced from the APNIC address blocks: 5121 Unique aggregates announced from the APNIC address blocks: 2920 APNIC Region origin ASes present in the Internet Routing Table: 620 APNIC Prefixes per ASN: 8.26 APNIC Region origin ASes announcing only one prefix: 269 APNIC Region transit ASes present in the Internet Routing Table: 75 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 241 Number of APNIC addresses announced to Internet: 46081572 Equivalent to 2 /8s, 191 /16s and 38 /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: 8010 Total ARIN prefixes after maximum aggregation: 4677 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 8030 Unique aggregates announced from the ARIN address blocks: 5317 ARIN Region origin ASes present in the Internet Routing Table: 1238 ARIN Prefixes per ASN: 6.49 ARIN Region origin ASes announcing only one prefix: 448 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: 175 Number of ARIN addresses announced to Internet: 94530561 Equivalent to 5 /8s, 162 /16s and 108 /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: 3493 Total RIPE prefixes after maximum aggregation: 2840 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3479 Unique aggregates announced from the RIPE address blocks: 2808 RIPE Region origin ASes present in the Internet Routing Table: 677 RIPE Prefixes per ASN: 5.14 RIPE Region origin ASes announcing only one prefix: 309 RIPE Region transit ASes present in the Internet Routing Table: 103 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: 136 Number of RIPE addresses announced to Internet: 57945344 Equivalent to 3 /8s, 116 /16s and 45 /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: 1210 Total LACNIC prefixes after maximum aggregation: 492 LACNIC Deaggregation factor: 2.46 Prefixes being announced from the LACNIC address blocks: 1207 Unique aggregates announced from the LACNIC address blocks: 683 LACNIC Region origin ASes present in the Internet Routing Table: 135 LACNIC Prefixes per ASN: 8.94 LACNIC Region origin ASes announcing only one prefix: 61 LACNIC Region transit ASes present in the Internet Routing Table: 20 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 16 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 54 Number of LACNIC addresses announced to Internet: 3955712 Equivalent to 0 /8s, 60 /16s and 92 /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: 927 Total AfriNIC prefixes after maximum aggregation: 195 AfriNIC Deaggregation factor: 4.75 Prefixes being announced from the AfriNIC address blocks: 927 Unique aggregates announced from the AfriNIC address blocks: 290 AfriNIC Region origin ASes present in the Internet Routing Table: 48 AfriNIC Prefixes per ASN: 19.31 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2658048 Equivalent to 0 /8s, 40 /16s and 143 /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 163 2 130 MICOM-MN-AS Mongolia Telecom, MN 17882 163 10 32 UNIVISION-AS-AP Univision LLC. To TTK S 4538 128 4192 73 ERX-CERNET-BKB China Education and Rese 55824 116 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 152 507 90 CSUNET-NW, US 18558 131 18 4 NETBLK-RCOEK, US 23024 114 7 17 OCDE, US 2920 107 34 6 LACOE, US 32531 91 16 1 FORDHAM-UNIVERSITY, US 21976 85 51 18 NJEDGE-NET, US 1736 80 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 680 284 1967 251 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 46 17 2 Associacao Antonio Vieira - Unisinos, B 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 28571 34 26 15 UNIVERSIDADE DE SAO PAULO, BR 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 376 319 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 33 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 376 319 74 TENET-1, ZA 680 284 1967 251 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 376 302 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 UNIVISION-AS-AP Univision LLC. To TTK STM1 UPST 18558 131 127 NETBLK-RCOEK, US 1916 156 111 Rede Nacional de Ensino e Pesquisa, BR 55824 116 105 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 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 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/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 10.16.128.0/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.130.40/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.131.26/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.133.222/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.134.2/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.134.4/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.134.178/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.135.109/32 9934 MICOM-MN-AS Mongolia Telecom, MN 10.16.136.48/32 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 /14:34 /15:122 /16:2008 /17:401 /18:438 /19:563 /20:873 /21:861 /22:1419 /23:1545 /24:10376 /25:0 /26:1 /27:2 /28:7 /29:10 /30:54 /31:1 /32:137 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 104 163 MICOM-MN-AS Mongolia Telecom, MN 4850 75 76 DIGICOM-AS-AP Digicom LLC, MN 23024 53 114 OCDE, US 17882 47 163 UNIVISION-AS-AP Univision LLC. To TTK STM1 UPST 25977 31 45 HCCS, US 28614 31 37 Fundacao Universidade Regional de Blumenau, BR 32440 30 45 LONI, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 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 14:86 18:43 23:10 24:3 27:4 31:7 35:4 37:6 38:9 40:1 41:121 42:10 43:11 44:5 45:37 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 85:43 86:4 87:1 88:1 89:10 91:44 93:10 94:4 95:4 96:5 97:1 98:2 101:6 102:13 103:359 104:76 107:17 108:10 109:10 110:4 111:16 112:15 114:23 116:7 117:61 118:32 119:23 121:27 122:24 123:8 124:39 125:4 128:90 129:38 130:93 131:84 132:58 133:145 134:97 136:200 137:75 138:9 139:9 140:52 141:1 142:41 143:31 144:23 145:2 146:128 147:59 148:192 149:12 150:134 151:6 152:71 153:13 154:29 155:51 156:66 157:21 158:44 159:116 160:26 161:22 162:28 163:63 164:19 165:57 166:1 167:16 168:103 169:10 170:26 171:1 172:6 173:7 175:31 176:8 177:11 179:9 180:21 181:1 182:6 184:4 185:39 186:3 187:19 188:13 189:5 190:17 191:34 192:1386 193:311 194:141 195:85 196:162 197:121 198:496 199:286 200:193 201:38 202:783 203:435 204:332 205:169 206:197 207:175 208:72 209:123 210:184 211:15 212:148 213:5 214:8 216:85 217:11 218:23 219:6 220:17 222:5 223:3 End of report