IPv4 R&E Routing Table Report 22:10 GMT Wed 19 Jun, 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: 25533 Prefixes after maximum aggregation (per Origin AS): 12618 Deaggregation factor: 2.02 Unique aggregates announced (without unneeded subnets): 14225 Number of IPv4 prefixes with a valid ROA: 12845 Number of IPv4 prefixes with an invalid ROA: 150 Number of IPv4 prefixes with no ROA: 12538 Total ASes present in the Internet Routing Table: 2721 Prefixes per ASN: 9.38 Origin-only ASes present in the Internet Routing Table: 2356 Origin ASes announcing only one prefix: 1040 Transit ASes present in the Internet Routing Table: 365 Transit-only ASes present in the Internet Routing Table: 62 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 16 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 44788 Number of 32-bit ASNs visible in the Routing Table: 645 Prefixes from 32-bit ASNs in the Routing Table: 4652 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: 6 Number of addresses announced to Internet: 237058457 Equivalent to 14 /8s, 33 /16s and 57 /24s Percentage of available address space announced: 6.4 Percentage of allocated address space announced: 6.4 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: 3582 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4606 Total APNIC prefixes after maximum aggregation: 2269 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4668 Unique aggregates announced from the APNIC address blocks: 2616 APNIC Region origin ASes present in the Internet Routing Table: 547 APNIC Prefixes per ASN: 8.53 APNIC Region origin ASes announcing only one prefix: 233 APNIC Region transit ASes present in the Internet Routing Table: 58 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 210 Number of APNIC addresses announced to Internet: 45614656 Equivalent to 2 /8s, 184 /16s and 6 /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: 14795 Total ARIN prefixes after maximum aggregation: 6709 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 14544 Unique aggregates announced from the ARIN address blocks: 7456 ARIN Region origin ASes present in the Internet Routing Table: 1249 ARIN Prefixes per ASN: 11.64 ARIN Region origin ASes announcing only one prefix: 440 ARIN Region transit ASes present in the Internet Routing Table: 157 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 212 Number of ARIN addresses announced to Internet: 127232785 Equivalent to 7 /8s, 149 /16s and 107 /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, 393216-402332 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: 3613 Total RIPE prefixes after maximum aggregation: 2859 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3790 Unique aggregates announced from the RIPE address blocks: 3143 RIPE Region origin ASes present in the Internet Routing Table: 676 RIPE Prefixes per ASN: 5.61 RIPE Region origin ASes announcing only one prefix: 302 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 153 Number of RIPE addresses announced to Internet: 57635984 Equivalent to 3 /8s, 111 /16s and 116 /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: 1465 Total LACNIC prefixes after maximum aggregation: 629 LACNIC Deaggregation factor: 2.33 Prefixes being announced from the LACNIC address blocks: 1470 Unique aggregates announced from the LACNIC address blocks: 807 LACNIC Region origin ASes present in the Internet Routing Table: 156 LACNIC Prefixes per ASN: 9.42 LACNIC Region origin ASes announcing only one prefix: 51 LACNIC Region transit ASes present in the Internet Routing Table: 25 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: 60 Number of LACNIC addresses announced to Internet: 4153016 Equivalent to 0 /8s, 63 /16s and 94 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 1053 Total AfriNIC prefixes after maximum aggregation: 151 AfriNIC Deaggregation factor: 6.97 Prefixes being announced from the AfriNIC address blocks: 1055 Unique aggregates announced from the AfriNIC address blocks: 197 AfriNIC Region origin ASes present in the Internet Routing Table: 30 AfriNIC Prefixes per ASN: 35.17 AfriNIC Region origin ASes announcing only one prefix: 14 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10 Number of AfriNIC addresses announced to Internet: 2418688 Equivalent to 0 /8s, 36 /16s and 232 /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 442 180 24 CSTNET-AS-AP Computer Network Informati 1237 193 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Re 55824 131 19 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 9411 82 16 2 NONTRINET-AS-AP Kasetsart University, T 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 68 37 10 UNINET-AS-AP UNINET-, TH 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 2770 3620 418 GOOGLE-CLOUD-PLATFORM, US 16509 2212 1729 972 AMAZON-02, US 14618 933 4173 709 AMAZON-AES, US 15169 824 1997 63 GOOGLE, US 376 202 162 151 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 2152 146 499 94 CSUNET-NW, US 36492 142 10 40 GOOGLEWIFI, US 18558 140 18 4 NETBLK-RCOEK, 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 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 786 184 1767 181 JANET Jisc Services Limited, GB 8895 178 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 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 76 26 66 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 156 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 118 25 55 Red Universitaria Nacional, CL 27947 100 0 76 Telconet S.A, EC 271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 17 3 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blume 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 36914 443 82 3 KENET-AS, KE 2018 380 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 42 16 1 MoRENet, MZ 37215 36 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37661 13 8 5 NRaE1-AS, NG 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 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 2770 3620 418 GOOGLE-CLOUD-PLATFORM, US 16509 2212 1729 972 AMAZON-02, US 14618 933 4173 709 AMAZON-AES, US 15169 824 1997 63 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 36914 443 82 3 KENET-AS, KE 7497 442 180 24 CSTNET-AS-AP Computer Network Informati 2018 380 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 376 202 162 151 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 2212 1240 AMAZON-02, US 15169 824 761 GOOGLE, US 36914 443 440 KENET-AS, KE 7497 442 418 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 14618 933 224 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 8895 178 173 ISU Internet Services Unit ISU, SA 2920 175 168 LACOE, US 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 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 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 199.91.149.0/24 Origin: 14618 AMAZON-AES, US 199.91.149.0/24 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 /14:79 /15:160 /16:2072 /17:503 /18:498 /19:734 /20:2799 /21:1035 /22:1657 /23:1729 /24:13832 /25:84 /26:57 /27:83 /28:18 /29:65 /30:27 /31:33 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 433 443 KENET-AS, KE 16509 328 2212 AMAZON-02, US 14618 306 933 AMAZON-AES, US 15169 275 824 GOOGLE, US 396982 222 2770 GOOGLE-CLOUD-PLATFORM, US 8895 173 178 ISU Internet Services Unit ISU, SA 32440 82 116 LONI, US 27947 81 100 Telconet S.A, EC 23024 49 106 OCDE, US 327700 37 42 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 5:21 8:28 12:1 13:45 14:91 15:71 16:115 18:70 23:108 24:3 31:3 34:23 35:49 36:1 38:10 40:5 41:197 42:10 43:2 44:7 45:58 46:11 47:1 49:9 50:5 52:552 54:163 57:1 59:19 60:6 61:3 62:9 63:36 64:159 65:16 66:83 67:64 68:15 69:44 70:43 71:3 72:11 74:151 75:1 76:45 77:12 78:3 79:10 80:15 81:24 82:6 83:7 84:7 85:34 86:5 87:4 88:1 89:20 91:58 92:5 93:5 94:2 95:2 96:7 97:1 98:10 99:47 101:2 102:7 103:292 104:227 107:35 108:105 109:12 114:32 115:1 116:10 117:62 118:34 119:21 121:11 122:8 123:8 124:41 125:5 128:84 129:44 130:140 131:65 132:66 133:157 134:108 135:3 136:298 137:66 138:59 139:17 140:42 141:7 142:264 143:25 144:41 145:3 146:145 147:76 148:202 149:17 150:41 151:27 152:139 153:15 154:37 155:78 156:136 157:30 158:42 159:154 160:28 161:29 162:87 163:66 164:24 165:66 166:1 167:24 168:157 169:10 170:154 171:1 172:113 173:116 174:2 175:18 176:10 177:6 178:1 179:11 180:15 182:1 184:3 185:109 186:3 187:17 188:18 189:3 190:3 191:13 192:1429 193:278 194:125 195:73 196:152 197:311 198:465 199:323 200:248 201:34 202:615 203:430 204:380 205:155 206:213 207:234 208:145 209:175 210:195 211:14 212:166 213:17 216:193 217:12 218:22 219:5 220:17 222:2 223:14 End of report