IPv4 R&E Routing Table Report 20:20 GMT Sat 16 Jul, 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: 18936 Prefixes after maximum aggregation (per Origin AS): 10756 Deaggregation factor: 1.76 Unique aggregates announced (without unneeded subnets): 12117 Number of IPv4 prefixes with a valid ROA: 4523 Number of IPv4 prefixes with an invalid ROA: 106 Number of IPv4 prefixes with no ROA: 14307 Total ASes present in the Internet Routing Table: 2839 Prefixes per ASN: 6.67 Origin-only ASes present in the Internet Routing Table: 2450 Origin ASes announcing only one prefix: 1125 Transit ASes present in the Internet Routing Table: 389 Transit-only ASes present in the Internet Routing Table: 63 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 6.4 Max AS path length visible: 21 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 10 Number of instances of unregistered ASNs: 10 Number of 32-bit ASNs allocated by the RIRs: 39812 Number of 32-bit ASNs visible in the Routing Table: 657 Prefixes from 32-bit ASNs in the Routing Table: 1776 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: 205566464 Equivalent to 12 /8s, 64 /16s and 178 /24s Percentage of available address space announced: 5.6 Percentage of allocated address space announced: 5.6 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: 2155 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5126 Total APNIC prefixes after maximum aggregation: 2433 APNIC Deaggregation factor: 2.11 Prefixes being announced from the APNIC address blocks: 5130 Unique aggregates announced from the APNIC address blocks: 2938 APNIC Region origin ASes present in the Internet Routing Table: 633 APNIC Prefixes per ASN: 8.10 APNIC Region origin ASes announcing only one prefix: 279 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: 249 Number of APNIC addresses announced to Internet: 46197760 Equivalent to 2 /8s, 192 /16s and 236 /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: 7914 Total ARIN prefixes after maximum aggregation: 4669 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 7932 Unique aggregates announced from the ARIN address blocks: 5274 ARIN Region origin ASes present in the Internet Routing Table: 1241 ARIN Prefixes per ASN: 6.39 ARIN Region origin ASes announcing only one prefix: 450 ARIN Region transit ASes present in the Internet Routing Table: 160 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: 179 Number of ARIN addresses announced to Internet: 94493184 Equivalent to 5 /8s, 161 /16s and 218 /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: 3506 Total RIPE prefixes after maximum aggregation: 2853 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3493 Unique aggregates announced from the RIPE address blocks: 2823 RIPE Region origin ASes present in the Internet Routing Table: 680 RIPE Prefixes per ASN: 5.14 RIPE Region origin ASes announcing only one prefix: 307 RIPE Region transit ASes present in the Internet Routing Table: 99 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 16 Number of RIPE region 32-bit ASNs visible in the Routing Table: 136 Number of RIPE addresses announced to Internet: 57937664 Equivalent to 3 /8s, 116 /16s and 15 /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: 1447 Total LACNIC prefixes after maximum aggregation: 589 LACNIC Deaggregation factor: 2.46 Prefixes being announced from the LACNIC address blocks: 1445 Unique aggregates announced from the LACNIC address blocks: 790 LACNIC Region origin ASes present in the Internet Routing Table: 163 LACNIC Prefixes per ASN: 8.87 LACNIC Region origin ASes announcing only one prefix: 63 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67 Number of LACNIC addresses announced to Internet: 4274176 Equivalent to 0 /8s, 65 /16s and 56 /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: 933 Total AfriNIC prefixes after maximum aggregation: 202 AfriNIC Deaggregation factor: 4.62 Prefixes being announced from the AfriNIC address blocks: 933 Unique aggregates announced from the AfriNIC address blocks: 290 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 18.29 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 12 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: 26 Number of AfriNIC addresses announced to Internet: 2663168 Equivalent to 0 /8s, 40 /16s and 163 /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 572 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 176 330 122 AARNET-AS-AP Australian Academic and Re 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 17882 173 10 33 UNIVISION-AS-AP UNIVISION LLC, MN 4538 128 4192 73 ERX-CERNET-BKB China Education and Rese 55824 116 18 11 NKN-CORE-NW NKN Core Network, IN 4621 77 37 10 UNINET-AS-AP UNINET-, TH 9484 72 5 5 MOBINET-AS-MN Mobinet LLC. AS Mobinet I 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 668 211 702 179 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 153 507 89 CSUNET-NW, US 18558 130 18 4 NETBLK-RCOEK, 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 3 82 496 16 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 1951 250 DFN Verein zur Foerderung eines Deutsch 786 187 1775 184 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 98 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 64 599 59 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 158 208 44 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 Red Universitaria Nacional, CL 2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo 1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 4270 43 16 1 Red de Interconexion Universitaria, AR 28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR 61468 41 3 15 CEDIA, EC 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 28614 37 2 2 Fundacao Universidade Regional de Blume 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 366 319 72 TENET-1, ZA 36914 224 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 48 48 15 PUKNET, ZA 327687 38 28 3 RENU, UG 327700 35 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 18 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 572 2140 454 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 366 319 72 TENET-1, ZA 680 283 1951 250 DFN Verein zur Foerderung eines Deutsch 36914 224 82 3 KENET-AS, KE 668 211 702 179 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 786 187 1775 184 JANET Jisc Services Limited, GB 1237 187 74 135 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 7497 432 408 CSTNET-AS-AP Computer Network Information Cente 2018 366 294 TENET-1, ZA 36914 224 221 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 175 173 KAGAWAU-AS Kagawa University, JP 17882 173 140 UNIVISION-AS-AP UNIVISION LLC, MN 8895 138 134 ISU Internet Services Unit ISU, SA 18558 130 126 NETBLK-RCOEK, US 1916 158 114 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 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 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 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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: 20965 GEANT The GEANT IP Service, 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 /10:2 /11:1 /12:10 /13:18 /14:34 /15:122 /16:2009 /17:402 /18:443 /19:568 /20:876 /21:886 /22:1443 /23:1570 /24:10473 /25:0 /26:0 /27:2 /28:4 /29:1 /30:6 /31:1 /32:63 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 211 224 KENET-AS, KE 8895 133 138 ISU Internet Services Unit ISU, SA 4850 69 70 DIGICOM-AS-AP Digicom LLC, MN 17882 53 173 UNIVISION-AS-AP UNIVISION LLC, MN 23024 53 114 OCDE, US 46115 32 35 LUTHER, US 25977 31 45 HCCS, US 28614 31 37 Fundacao Universidade Regional de Blumenau, BR 32440 31 46 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 12:1 14:86 18:46 23:10 24:3 27:4 31:7 35:4 37:6 38:9 40:1 41:128 42:10 43:11 44:5 45:39 46:5 47:1 49:10 50:4 52:1 58:1 59:24 60:4 61:3 62:8 63:38 64:73 65:5 66:66 67:44 68:8 69:19 70:2 71:1 72:8 74:50 76:35 77:7 78:3 79:10 80:18 81:28 82:7 83:6 84:9 85:43 86:6 87:1 88:1 89:10 91:45 92:1 93:10 94:4 95:4 96:5 97:1 98:2 101:6 102:13 103:381 104:75 107:17 108:10 109:10 110:4 111:16 112:15 114:23 116:6 117:61 118:32 119:24 121:27 122:24 123:8 124:39 125:4 128:84 129:38 130:92 131:66 132:58 133:145 134:100 136:200 137:75 138:10 139:9 140:52 141:1 142:41 143:31 144:23 145:2 146:128 147:32 148:192 149:12 150:134 151:6 152:73 153:13 154:28 155:51 156:67 157:32 158:44 159:116 160:26 161:22 162:23 163:74 164:15 165:57 166:1 167:16 168:115 169:10 170:67 172:2 173:7 175:31 176:8 177:11 179:10 180:19 181:1 182:4 184:5 185:43 186:3 187:19 188:13 189:3 190:33 191:36 192:1384 193:314 194:140 195:86 196:158 197:129 198:496 199:285 200:228 201:38 202:783 203:444 204:336 205:123 206:197 207:176 208:72 209:124 210:184 211:13 212:150 213:5 214:8 216:86 217:11 218:23 219:6 220:17 222:5 223:3 End of report