IPv4 R&E Routing Table Report 22:10 GMT Sun 31 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: 25482 Prefixes after maximum aggregation (per Origin AS): 12692 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14375 Number of IPv4 prefixes with a valid ROA: 12407 Number of IPv4 prefixes with an invalid ROA: 166 Number of IPv4 prefixes with no ROA: 12909 Total ASes present in the Internet Routing Table: 2792 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 2410 Origin ASes announcing only one prefix: 1065 Transit ASes present in the Internet Routing Table: 382 Transit-only ASes present in the Internet Routing Table: 72 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: 19 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 11 Number of instances of unregistered ASNs: 11 Number of 32-bit ASNs allocated by the RIRs: 43984 Number of 32-bit ASNs visible in the Routing Table: 679 Prefixes from 32-bit ASNs in the Routing Table: 4884 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: 240310926 Equivalent to 14 /8s, 82 /16s and 218 /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: 3305 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4772 Total APNIC prefixes after maximum aggregation: 2330 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4826 Unique aggregates announced from the APNIC address blocks: 2715 APNIC Region origin ASes present in the Internet Routing Table: 585 APNIC Prefixes per ASN: 8.25 APNIC Region origin ASes announcing only one prefix: 247 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 230 Number of APNIC addresses announced to Internet: 45753152 Equivalent to 2 /8s, 186 /16s and 35 /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: 14655 Total ARIN prefixes after maximum aggregation: 6611 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14431 Unique aggregates announced from the ARIN address blocks: 7427 ARIN Region origin ASes present in the Internet Routing Table: 1238 ARIN Prefixes per ASN: 11.66 ARIN Region origin ASes announcing only one prefix: 429 ARIN Region transit ASes present in the Internet Routing Table: 161 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: 204 Number of ARIN addresses announced to Internet: 129791425 Equivalent to 7 /8s, 188 /16s and 117 /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: 3639 Total RIPE prefixes after maximum aggregation: 2908 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3809 Unique aggregates announced from the RIPE address blocks: 3160 RIPE Region origin ASes present in the Internet Routing Table: 683 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: 102 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 17 Number of RIPE region 32-bit ASNs visible in the Routing Table: 150 Number of RIPE addresses announced to Internet: 57798288 Equivalent to 3 /8s, 113 /16s and 238 /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: 1415 Total LACNIC prefixes after maximum aggregation: 655 LACNIC Deaggregation factor: 2.16 Prefixes being announced from the LACNIC address blocks: 1421 Unique aggregates announced from the LACNIC address blocks: 841 LACNIC Region origin ASes present in the Internet Routing Table: 159 LACNIC Prefixes per ASN: 8.94 LACNIC Region origin ASes announcing only one prefix: 52 LACNIC Region transit ASes present in the Internet Routing Table: 27 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4292349 Equivalent to 0 /8s, 65 /16s and 126 /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: 990 Total AfriNIC prefixes after maximum aggregation: 179 AfriNIC Deaggregation factor: 5.53 Prefixes being announced from the AfriNIC address blocks: 992 Unique aggregates announced from the AfriNIC address blocks: 229 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 18.72 AfriNIC Region origin ASes announcing only one prefix: 29 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31 Number of AfriNIC addresses announced to Internet: 2674944 Equivalent to 0 /8s, 40 /16s and 209 /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 191 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 130 19 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 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 2763 3641 412 GOOGLE-CLOUD-PLATFORM, US 16509 2161 1676 927 AMAZON-02, US 14618 883 4163 666 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 140 18 4 NETBLK-RCOEK, US 81 127 521 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 786 186 1767 183 JANET Jisc Services Limited, GB 8895 160 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 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 27947 119 0 88 Telconet S.A, EC 11340 117 25 54 Red Universitaria Nacional, CL 1916 82 176 43 Rede Nacional de Ensino e Pesquisa, BR 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 48 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 45 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 380 319 71 TENET-1, ZA 36914 203 82 3 KENET-AS, KE 327687 160 28 3 RENU, UG 327700 48 16 1 MoRENet, MZ 8094 47 48 18 PUKNET, ZA 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 2763 3641 412 GOOGLE-CLOUD-PLATFORM, US 16509 2161 1676 927 AMAZON-02, US 14618 883 4163 666 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 380 319 71 TENET-1, ZA 680 284 1899 250 DFN Verein zur Foerderung eines Deutsch 36914 203 82 3 KENET-AS, KE 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 2161 1234 AMAZON-02, US 15169 835 774 GOOGLE, US 7497 441 418 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 14618 883 217 AMAZON-AES, US 36914 203 200 KENET-AS, KE 5786 197 196 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 327687 160 157 RENU, UG 8895 160 155 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 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 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 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 /16:2104 /17:511 /18:501 /19:732 /20:2796 /21:1054 /22:1693 /23:1763 /24:13664 /25:71 /26:42 /27:72 /28:22 /29:80 /30:33 /31:38 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 323 2161 AMAZON-02, US 14618 291 883 AMAZON-AES, US 15169 275 835 GOOGLE, US 396982 213 2763 GOOGLE-CLOUD-PLATFORM, US 36914 190 203 KENET-AS, KE 8895 155 160 ISU Internet Services Unit ISU, SA 27947 94 119 Telconet S.A, EC 32440 87 119 LONI, US 23024 51 109 OCDE, US 327700 42 48 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 14:90 15:71 16:112 18:66 23:110 24:3 31:3 34:25 35:51 38:9 40:5 41:124 42:10 43:2 44:8 45:59 46:11 47:1 49:9 50:3 52:551 54:163 59:19 60:6 61:3 62:9 63:36 64:158 65:13 66:81 67:65 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 82:6 83:7 84:10 85:46 86:4 87:4 88:1 89:20 91:59 92:5 93:4 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:38 103:351 104:223 107:34 108:105 109:10 111:16 114:32 115:1 116:10 117:61 118:33 119:20 121:26 122:8 123:8 124:42 125:5 128:85 129:40 130:136 131:65 132:59 133:157 134:110 135:3 136:297 137:152 138:58 139:17 140:41 141:6 142:288 143:24 144:40 145:3 146:145 147:69 148:201 149:17 150:43 151:17 152:138 153:14 154:30 155:74 156:71 157:27 158:42 159:148 160:30 161:27 162:99 163:79 164:24 165:59 166:1 167:19 168:156 169:10 170:146 171:1 172:114 173:116 174:2 175:25 176:10 177:6 178:1 179:10 180:15 182:9 184:3 185:106 186:3 187:17 188:18 189:3 190:2 191:13 192:1508 193:285 194:129 195:72 196:199 197:118 198:482 199:305 200:198 201:34 202:637 203:414 204:369 205:151 206:197 207:172 208:146 209:168 210:206 211:14 212:162 213:15 216:178 217:13 218:22 219:5 220:17 222:2 223:14 End of report