IPv4 R&E Routing Table Report 20:20 GMT Tue 31 Oct, 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: 19380 Prefixes after maximum aggregation (per Origin AS): 10715 Deaggregation factor: 1.81 Unique aggregates announced (without unneeded subnets): 11987 Number of IPv4 prefixes with a valid ROA: 5637 Number of IPv4 prefixes with an invalid ROA: 109 Number of IPv4 prefixes with no ROA: 13634 Total ASes present in the Internet Routing Table: 2824 Prefixes per ASN: 6.86 Origin-only ASes present in the Internet Routing Table: 2443 Origin ASes announcing only one prefix: 1096 Transit ASes present in the Internet Routing Table: 381 Transit-only ASes present in the Internet Routing Table: 69 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: 17 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 6 Number of instances of unregistered ASNs: 6 Number of 32-bit ASNs allocated by the RIRs: 42955 Number of 32-bit ASNs visible in the Routing Table: 655 Prefixes from 32-bit ASNs in the Routing Table: 1979 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: 204150784 Equivalent to 12 /8s, 43 /16s and 24 /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: 2221 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5117 Total APNIC prefixes after maximum aggregation: 2403 APNIC Deaggregation factor: 2.13 Prefixes being announced from the APNIC address blocks: 5119 Unique aggregates announced from the APNIC address blocks: 2936 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 8.78 APNIC Region origin ASes announcing only one prefix: 247 APNIC Region transit ASes present in the Internet Routing Table: 63 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: 220 Number of APNIC addresses announced to Internet: 45727232 Equivalent to 2 /8s, 185 /16s and 190 /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: 8170 Total ARIN prefixes after maximum aggregation: 4677 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8186 Unique aggregates announced from the ARIN address blocks: 5156 ARIN Region origin ASes present in the Internet Routing Table: 1264 ARIN Prefixes per ASN: 6.48 ARIN Region origin ASes announcing only one prefix: 459 ARIN Region transit ASes present in the Internet Routing Table: 163 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: 197 Number of ARIN addresses announced to Internet: 93627392 Equivalent to 5 /8s, 148 /16s and 164 /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: 3604 Total RIPE prefixes after maximum aggregation: 2888 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3590 Unique aggregates announced from the RIPE address blocks: 2905 RIPE Region origin ASes present in the Internet Routing Table: 690 RIPE Prefixes per ASN: 5.20 RIPE Region origin ASes announcing only one prefix: 303 RIPE Region transit ASes present in the Internet Routing Table: 103 Average RIPE Region AS path length visible: 6.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 146 Number of RIPE addresses announced to Internet: 57969152 Equivalent to 3 /8s, 116 /16s and 138 /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: 1426 Total LACNIC prefixes after maximum aggregation: 571 LACNIC Deaggregation factor: 2.50 Prefixes being announced from the LACNIC address blocks: 1424 Unique aggregates announced from the LACNIC address blocks: 766 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.63 LACNIC Region origin ASes announcing only one prefix: 61 LACNIC Region transit ASes present in the Internet Routing Table: 26 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: 67 Number of LACNIC addresses announced to Internet: 4100096 Equivalent to 0 /8s, 62 /16s and 144 /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: 1057 Total AfriNIC prefixes after maximum aggregation: 170 AfriNIC Deaggregation factor: 6.22 Prefixes being announced from the AfriNIC address blocks: 1057 Unique aggregates announced from the AfriNIC address blocks: 221 AfriNIC Region origin ASes present in the Internet Routing Table: 49 AfriNIC Prefixes per ASN: 21.57 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 9 Average AfriNIC Region AS path length visible: 6.8 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2660864 Equivalent to 0 /8s, 40 /16s and 154 /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 593 2162 465 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 177 18 2 KAGAWAU-AS Kagawa University, JP 7575 176 329 120 AARNET-AS-AP Australian Academic and Re 17882 172 11 34 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 96 0 1 DIGICOM-AS-AP Digicom LLC, MN 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 2152 370 507 93 CSUNET-NW, US 376 202 178 151 RISQ-AS, CA 668 202 636 171 DNIC-AS-00668, US 5786 197 16 1 UPRENET, PR 18558 141 18 4 NETBLK-RCOEK, US 81 127 521 30 NCREN, US 23024 113 7 17 OCDE, US 2920 101 34 7 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 1903 249 DFN Verein zur Foerderung eines Deutsch 786 185 1767 182 JANET Jisc Services Limited, GB 8895 133 24 5 ISU Internet Services Unit ISU, SA 559 113 533 105 SWITCH Peering requests: peering@switch 1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 76 462 76 BELWUE BelWue-Koordination, DE 1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol 2200 64 599 59 FR-RENATER Reseau National de telecommu 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 209 176 42 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 104 24 48 Red Universitaria Nacional, CL 271640 70 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 3596 34 4 3 Universidad Autonoma Metropolitana, MX 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 382 319 71 TENET-1, ZA 36914 249 82 3 KENET-AS, KE 327687 166 28 3 RENU, UG 8094 48 48 15 PUKNET, ZA 327700 41 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 10 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 593 2162 465 SINET-AS Research Organization of Infor 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 2018 382 319 71 TENET-1, ZA 2152 370 507 93 CSUNET-NW, US 680 283 1903 249 DFN Verein zur Foerderung eines Deutsch 36914 249 82 3 KENET-AS, KE 1916 209 176 42 Rede Nacional de Ensino e Pesquisa, BR 376 202 178 151 RISQ-AS, CA 668 202 636 171 DNIC-AS-00668, US 5786 197 16 1 UPRENET, PR 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 437 414 CSTNET-AS-AP Computer Network Information Cente 2018 382 311 TENET-1, ZA 2152 370 277 CSUNET-NW, US 36914 249 246 KENET-AS, KE 5786 197 196 UPRENET, PR 58647 177 175 KAGAWAU-AS Kagawa University, JP 1916 209 167 Rede Nacional de Ensino e Pesquisa, BR 327687 166 163 RENU, UG 17882 172 138 UNIVISION-AS-AP UNIVISION LLC, MN 18558 141 137 NETBLK-RCOEK, US 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 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 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW 134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU 202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 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 /14:33 /15:122 /16:2002 /17:426 /18:449 /19:582 /20:874 /21:873 /22:1545 /23:1597 /24:10747 /25:0 /26:0 /27:2 /28:4 /29:2 /30:4 /31:1 /32:84 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 238 249 KENET-AS, KE 8895 128 133 ISU Internet Services Unit ISU, SA 4850 95 96 DIGICOM-AS-AP Digicom LLC, MN 23024 52 113 OCDE, US 17882 47 172 UNIVISION-AS-AP UNIVISION LLC, MN 32440 38 61 LONI, US 2152 37 370 CSUNET-NW, US 327700 37 41 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 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 38:8 40:1 41:119 42:10 43:8 44:7 45:44 46:5 47:1 49:9 50:3 52:1 58:1 59:23 60:5 61:3 62:11 63:37 64:72 65:1 66:85 67:43 68:9 69:17 70:2 71:1 72:7 74:49 76:42 77:9 78:3 79:10 80:12 81:27 82:7 83:6 84:12 85:41 86:4 87:1 89:10 91:49 92:2 93:4 94:4 95:2 96:5 97:2 98:2 101:2 102:30 103:343 104:76 108:10 109:9 111:16 112:15 114:23 116:6 117:61 118:32 119:18 121:28 122:24 123:8 124:40 125:4 128:88 129:48 130:86 131:65 132:64 133:152 134:107 136:196 137:132 138:8 139:9 140:40 141:3 142:38 143:22 144:26 145:2 146:130 147:57 148:193 149:12 150:48 151:12 152:133 153:14 154:29 155:63 156:65 157:18 158:33 159:115 160:30 161:18 162:26 163:82 164:13 165:47 166:1 167:13 168:123 169:8 170:71 171:1 172:3 173:7 175:18 176:8 177:5 179:12 180:15 182:1 184:3 185:56 186:3 187:17 188:13 189:3 190:19 191:13 192:1413 193:299 194:150 195:89 196:198 197:163 198:540 199:275 200:322 201:38 202:782 203:440 204:370 205:145 206:194 207:221 208:75 209:145 210:192 211:14 212:159 213:5 214:8 216:84 217:9 218:23 219:5 220:16 222:2 223:14 End of report