IPv4 R&E Routing Table Report 22:10 GMT Sun 17 Mar, 2024 IPv4 BGP Table (R&E) as seen at CEDIA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/ Analysis Summary ---------------- BGP routing table entries examined: 25492 Prefixes after maximum aggregation (per Origin AS): 12668 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14346 Number of IPv4 prefixes with a valid ROA: 12645 Number of IPv4 prefixes with an invalid ROA: 177 Number of IPv4 prefixes with no ROA: 12670 Total ASes present in the Internet Routing Table: 2762 Prefixes per ASN: 9.23 Origin-only ASes present in the Internet Routing Table: 2382 Origin ASes announcing only one prefix: 1047 Transit ASes present in the Internet Routing Table: 380 Transit-only ASes present in the Internet Routing Table: 73 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 17 Max AS path prepend of ASN ( 47805) 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: 43852 Number of 32-bit ASNs visible in the Routing Table: 651 Prefixes from 32-bit ASNs in the Routing Table: 4829 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: 240004967 Equivalent to 14 /8s, 78 /16s and 47 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 6.5 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: 3303 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4744 Total APNIC prefixes after maximum aggregation: 2322 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4798 Unique aggregates announced from the APNIC address blocks: 2709 APNIC Region origin ASes present in the Internet Routing Table: 572 APNIC Prefixes per ASN: 8.39 APNIC Region origin ASes announcing only one prefix: 244 APNIC Region transit ASes present in the Internet Routing Table: 59 Average APNIC Region AS path length visible: 5.9 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 221 Number of APNIC addresses announced to Internet: 45670720 Equivalent to 2 /8s, 184 /16s and 225 /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: 14656 Total ARIN prefixes after maximum aggregation: 6611 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14437 Unique aggregates announced from the ARIN address blocks: 7427 ARIN Region origin ASes present in the Internet Routing Table: 1245 ARIN Prefixes per ASN: 11.60 ARIN Region origin ASes announcing only one prefix: 432 ARIN Region transit ASes present in the Internet Routing Table: 167 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 205 Number of ARIN addresses announced to Internet: 129841409 Equivalent to 7 /8s, 189 /16s and 57 /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: 3632 Total RIPE prefixes after maximum aggregation: 2905 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3797 Unique aggregates announced from the RIPE address blocks: 3151 RIPE Region origin ASes present in the Internet Routing Table: 681 RIPE Prefixes per ASN: 5.58 RIPE Region origin ASes announcing only one prefix: 308 RIPE Region transit ASes present in the Internet Routing Table: 100 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 150 Number of RIPE addresses announced to Internet: 57746320 Equivalent to 3 /8s, 113 /16s and 35 /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: 1524 Total LACNIC prefixes after maximum aggregation: 675 LACNIC Deaggregation factor: 2.26 Prefixes being announced from the LACNIC address blocks: 1530 Unique aggregates announced from the LACNIC address blocks: 862 LACNIC Region origin ASes present in the Internet Routing Table: 161 LACNIC Prefixes per ASN: 9.50 LACNIC Region origin ASes announcing only one prefix: 51 LACNIC Region transit ASes present in the Internet Routing Table: 28 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 4241302 Equivalent to 0 /8s, 64 /16s and 183 /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: 926 Total AfriNIC prefixes after maximum aggregation: 147 AfriNIC Deaggregation factor: 6.30 Prefixes being announced from the AfriNIC address blocks: 927 Unique aggregates announced from the AfriNIC address blocks: 194 AfriNIC Region origin ASes present in the Internet Routing Table: 28 AfriNIC Prefixes per ASN: 33.11 AfriNIC Region origin ASes announcing only one prefix: 12 AfriNIC Region transit ASes present in the Internet Routing Table: 6 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 7 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10 Number of AfriNIC addresses announced to Internet: 2504448 Equivalent to 0 /8s, 38 /16s and 55 /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 601 2162 465 SINET-AS Research Organization of Infor 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 1237 194 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 329 116 AARNET-AS-AP Australian Academic and Re 4538 130 4192 73 ERX-CERNET-BKB China Education and Rese 55824 129 19 19 NKN-CORE-NW NKN Core Network, IN 4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2757 3640 406 GOOGLE-CLOUD-PLATFORM, US 16509 2150 1671 918 AMAZON-02, US 14618 870 4163 656 AMAZON-AES, US 15169 835 1997 61 GOOGLE, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 36492 165 12 38 GOOGLEWIFI, US 2152 145 507 94 CSUNET-NW, US 18558 141 18 4 NETBLK-RCOEK, US 81 126 521 30 NCREN, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 786 184 1767 181 JANET Jisc Services Limited, GB 8895 161 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 93 27 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 77 44 68 RUNNET, RU Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 174 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 67 Universidad Juarez Autonoma de Tabasco, 27947 119 0 89 Telconet S.A, EC 11340 117 25 54 Red Universitaria Nacional, CL 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 36 4 3 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 381 319 71 TENET-1, ZA 36914 193 82 3 KENET-AS, KE 327687 161 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 44 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 37215 9 8 1 MAREN, MW 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2757 3640 406 GOOGLE-CLOUD-PLATFORM, US 16509 2150 1671 918 AMAZON-02, US 14618 870 4163 656 AMAZON-AES, US 15169 835 1997 61 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 2018 381 319 71 TENET-1, ZA 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 2150 1232 AMAZON-02, US 15169 835 774 GOOGLE, US 7497 441 418 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 14618 870 214 AMAZON-AES, US 5786 197 196 UPRENET, PR 36914 193 190 KENET-AS, KE 58647 182 180 KAGAWAU-AS Kagawa University, JP 327687 161 158 RENU, UG 8895 161 156 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 170.39.88.0/24 Origin: 14618 AMAZON-AES, US 170.39.88.0/24 Transit: 16509 AMAZON-02, US 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:1 /11:4 /12:19 /13:35 /14:81 /15:160 /16:2103 /17:511 /18:494 /19:725 /20:2788 /21:1054 /22:1682 /23:1761 /24:13671 /25:87 /26:56 /27:76 /28:22 /29:80 /30:36 /31:37 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 320 2150 AMAZON-02, US 14618 289 870 AMAZON-AES, US 15169 275 835 GOOGLE, US 396982 209 2757 GOOGLE-CLOUD-PLATFORM, US 36914 180 193 KENET-AS, KE 8895 156 161 ISU Internet Services Unit ISU, SA 27947 94 119 Telconet S.A, EC 32440 87 119 LONI, US 23024 52 108 OCDE, US 327700 38 44 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:85 5:20 8:28 12:1 13:45 14:89 15:71 16:112 18:66 23:110 24:3 31:3 34:25 35:51 38:9 40:5 41:109 42:10 43:2 44:8 45:58 46:11 47:1 49:9 50:3 52:550 54:163 59:19 60:6 61:3 62:9 63:36 64:158 65:13 66:81 67:63 68:14 69:40 70:44 71:3 72:11 74:146 75:1 76:47 77:13 78:3 79:10 80:13 81:26 82:5 83:7 84:10 85:47 86:4 87:4 88:1 89:20 91:57 92:5 93:4 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:30 103:339 104:221 107:34 108:105 109:10 111:16 114:32 115:1 116:10 117:61 118:33 119:20 121:27 122:8 123:8 124:42 125:5 128:85 129:44 130:138 131:65 132:59 133:157 134:110 135:3 136:297 137:151 138:58 139:17 140:37 141:6 142:286 143:24 144:40 145:3 146:145 147:68 148:203 149:16 150:44 151:16 152:137 153:14 154:30 155:74 156:68 157:25 158:42 159:148 160:30 161:28 162:93 163:88 164:23 165:55 166:1 167:25 168:151 169:11 170:147 171:1 172:114 173:117 174:2 175:25 176:10 177:6 178:1 179:8 180:15 182:1 184:2 185:105 186:3 187:17 188:18 189:3 190:2 191:13 192:1506 193:283 194:129 195:72 196:198 197:117 198:483 199:313 200:265 201:34 202:638 203:423 204:371 205:150 206:196 207:172 208:143 209:169 210:195 211:14 212:162 213:15 216:178 217:13 218:22 219:5 220:17 222:2 223:14 End of report