IPv4 R&E Routing Table Report 22:10 GMT Sun 25 Feb, 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: 25531 Prefixes after maximum aggregation (per Origin AS): 12601 Deaggregation factor: 2.03 Unique aggregates announced (without unneeded subnets): 14287 Number of IPv4 prefixes with a valid ROA: 12656 Number of IPv4 prefixes with an invalid ROA: 180 Number of IPv4 prefixes with no ROA: 12695 Total ASes present in the Internet Routing Table: 2746 Prefixes per ASN: 9.30 Origin-only ASes present in the Internet Routing Table: 2369 Origin ASes announcing only one prefix: 1052 Transit ASes present in the Internet Routing Table: 377 Transit-only ASes present in the Internet Routing Table: 65 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: 16 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 15 Number of instances of unregistered ASNs: 15 Number of 32-bit ASNs allocated by the RIRs: 43713 Number of 32-bit ASNs visible in the Routing Table: 654 Prefixes from 32-bit ASNs in the Routing Table: 4820 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: 239959411 Equivalent to 14 /8s, 77 /16s and 125 /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: 3417 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4665 Total APNIC prefixes after maximum aggregation: 2271 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4716 Unique aggregates announced from the APNIC address blocks: 2649 APNIC Region origin ASes present in the Internet Routing Table: 541 APNIC Prefixes per ASN: 8.72 APNIC Region origin ASes announcing only one prefix: 230 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 205 Number of APNIC addresses announced to Internet: 45568576 Equivalent to 2 /8s, 183 /16s and 82 /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: 14617 Total ARIN prefixes after maximum aggregation: 6585 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14413 Unique aggregates announced from the ARIN address blocks: 7420 ARIN Region origin ASes present in the Internet Routing Table: 1242 ARIN Prefixes per ASN: 11.60 ARIN Region origin ASes announcing only one prefix: 431 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: 129853569 Equivalent to 7 /8s, 189 /16s and 104 /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: 3606 Total RIPE prefixes after maximum aggregation: 2877 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3765 Unique aggregates announced from the RIPE address blocks: 3120 RIPE Region origin ASes present in the Internet Routing Table: 680 RIPE Prefixes per ASN: 5.54 RIPE Region origin ASes announcing only one prefix: 307 RIPE Region transit ASes present in the Internet Routing Table: 101 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: 148 Number of RIPE addresses announced to Internet: 57668496 Equivalent to 3 /8s, 111 /16s and 243 /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: 679 LACNIC Deaggregation factor: 2.24 Prefixes being announced from the LACNIC address blocks: 1529 Unique aggregates announced from the LACNIC address blocks: 867 LACNIC Region origin ASes present in the Internet Routing Table: 164 LACNIC Prefixes per ASN: 9.32 LACNIC Region origin ASes announcing only one prefix: 57 LACNIC Region transit ASes present in the Internet Routing Table: 28 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67 Number of LACNIC addresses announced to Internet: 4234786 Equivalent to 0 /8s, 64 /16s and 158 /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: 1104 Total AfriNIC prefixes after maximum aggregation: 177 AfriNIC Deaggregation factor: 6.24 Prefixes being announced from the AfriNIC address blocks: 1105 Unique aggregates announced from the AfriNIC address blocks: 228 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29 Number of AfriNIC addresses announced to Internet: 2633216 Equivalent to 0 /8s, 40 /16s and 46 /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 197 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 174 329 117 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 2758 3639 397 GOOGLE-CLOUD-PLATFORM, US 16509 2142 1655 911 AMAZON-02, US 14618 857 4161 647 AMAZON-AES, US 15169 831 1997 60 GOOGLE, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 36492 165 12 38 GOOGLEWIFI, US 2152 144 507 93 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 680 283 1899 249 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 120 0 90 Telconet S.A, EC 11340 117 25 54 Red Universitaria Nacional, CL 271640 68 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 322 82 3 KENET-AS, KE 327687 158 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 46 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA 37654 11 1 6 RwEdNet-AS, RW 37215 9 8 1 MAREN, MW 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 2758 3639 397 GOOGLE-CLOUD-PLATFORM, US 16509 2142 1655 911 AMAZON-02, US 14618 857 4161 647 AMAZON-AES, US 15169 831 1997 60 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 36914 322 82 3 KENET-AS, KE 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 376 201 162 151 RISQ-AS, CA 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 2142 1231 AMAZON-02, US 15169 831 771 GOOGLE, US 7497 441 418 CSTNET-AS-AP Computer Network Information Cente 36914 322 319 KENET-AS, KE 2018 381 310 TENET-1, ZA 14618 857 210 AMAZON-AES, US 5786 197 196 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 8895 161 156 ISU Internet Services Unit ISU, SA 327687 158 155 RENU, UG 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 26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US 26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US 26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 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 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 /16:2101 /17:510 /18:499 /19:726 /20:2789 /21:1050 /22:1680 /23:1744 /24:13726 /25:88 /26:57 /27:75 /28:22 /29:81 /30:37 /31:37 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 317 2142 AMAZON-02, US 36914 311 322 KENET-AS, KE 14618 282 857 AMAZON-AES, US 15169 274 831 GOOGLE, US 396982 207 2758 GOOGLE-CLOUD-PLATFORM, US 8895 156 161 ISU Internet Services Unit ISU, SA 27947 95 120 Telconet S.A, EC 32440 80 112 LONI, US 23024 51 105 OCDE, US 327700 40 46 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:84 5:20 8:28 12:1 13:45 14:89 15:70 16:112 18:66 23:109 24:3 31:3 34:23 35:51 38:9 40:5 41:121 42:10 43:2 44:10 45:59 46:11 47:1 49:9 50:3 52:550 54:163 59:19 60:6 61:3 62:9 63:36 64:159 65:13 66:81 67:61 68:14 69:40 70:44 71:3 72:11 74:145 76:47 77:13 78:3 79:10 80:13 81:25 82:5 83:7 84:10 85:35 86:4 87:4 88:1 89:19 91:58 92:5 93:5 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:39 103:293 104:225 107:33 108:104 109:10 111:16 114:32 115:1 116:10 117:61 118:33 119:19 121:27 122:8 123:8 124:42 125:5 128:85 129:45 130:140 131:68 132:59 133:157 134:110 135:3 136:297 137:150 138:58 139:17 140:41 141:6 142:285 143:23 144:40 145:3 146:145 147:68 148:203 149:17 150:43 151:18 152:135 153:14 154:30 155:74 156:69 157:23 158:41 159:148 160:30 161:28 162:92 163:87 164:24 165:54 166:1 167:24 168:151 169:11 170:146 171:1 172:114 173:116 174:2 175:25 176:10 177:6 178:1 179:9 180:15 182:1 184:3 185:102 186:3 187:17 188:20 189:3 190:2 191:13 192:1506 193:282 194:126 195:72 196:200 197:239 198:481 199:310 200:267 201:34 202:621 203:425 204:371 205:150 206:197 207:171 208:140 209:167 210:196 211:14 212:163 213:15 216:174 217:13 218:22 219:5 220:17 222:2 223:14 End of report