IPv4 R&E Routing Table Report 22:10 GMT Tue 20 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: 25644 Prefixes after maximum aggregation (per Origin AS): 12574 Deaggregation factor: 2.04 Unique aggregates announced (without unneeded subnets): 14255 Number of IPv4 prefixes with a valid ROA: 12838 Number of IPv4 prefixes with an invalid ROA: 183 Number of IPv4 prefixes with no ROA: 12623 Total ASes present in the Internet Routing Table: 2734 Prefixes per ASN: 9.38 Origin-only ASes present in the Internet Routing Table: 2353 Origin ASes announcing only one prefix: 1049 Transit ASes present in the Internet Routing Table: 381 Transit-only ASes present in the Internet Routing Table: 68 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: 43666 Number of 32-bit ASNs visible in the Routing Table: 646 Prefixes from 32-bit ASNs in the Routing Table: 4812 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: 239203699 Equivalent to 14 /8s, 65 /16s and 245 /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: 3547 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4661 Total APNIC prefixes after maximum aggregation: 2269 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4713 Unique aggregates announced from the APNIC address blocks: 2646 APNIC Region origin ASes present in the Internet Routing Table: 540 APNIC Prefixes per ASN: 8.73 APNIC Region origin ASes announcing only one prefix: 232 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 5.9 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: 45568064 Equivalent to 2 /8s, 183 /16s and 80 /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: 14609 Total ARIN prefixes after maximum aggregation: 6572 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14404 Unique aggregates announced from the ARIN address blocks: 7411 ARIN Region origin ASes present in the Internet Routing Table: 1237 ARIN Prefixes per ASN: 11.64 ARIN Region origin ASes announcing only one prefix: 430 ARIN Region transit ASes present in the Internet Routing Table: 166 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: 203 Number of ARIN addresses announced to Internet: 129192833 Equivalent to 7 /8s, 179 /16s and 83 /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: 3613 Total RIPE prefixes after maximum aggregation: 2869 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3772 Unique aggregates announced from the RIPE address blocks: 3112 RIPE Region origin ASes present in the Internet Routing Table: 676 RIPE Prefixes per ASN: 5.58 RIPE Region origin ASes announcing only one prefix: 306 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: 145 Number of RIPE addresses announced to Internet: 57592464 Equivalent to 3 /8s, 110 /16s and 202 /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: 1484 Total LACNIC prefixes after maximum aggregation: 679 LACNIC Deaggregation factor: 2.19 Prefixes being announced from the LACNIC address blocks: 1489 Unique aggregates announced from the LACNIC address blocks: 859 LACNIC Region origin ASes present in the Internet Routing Table: 162 LACNIC Prefixes per ASN: 9.19 LACNIC Region origin ASes announcing only one prefix: 55 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: 4223266 Equivalent to 0 /8s, 64 /16s and 113 /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: 1262 Total AfriNIC prefixes after maximum aggregation: 173 AfriNIC Deaggregation factor: 7.29 Prefixes being announced from the AfriNIC address blocks: 1263 Unique aggregates announced from the AfriNIC address blocks: 224 AfriNIC Region origin ASes present in the Internet Routing Table: 48 AfriNIC Prefixes per ASN: 26.31 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2626304 Equivalent to 0 /8s, 40 /16s and 19 /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 440 180 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 18 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 2755 3639 396 GOOGLE-CLOUD-PLATFORM, US 16509 2153 1653 908 AMAZON-02, US 14618 856 4033 645 AMAZON-AES, US 15169 831 1997 60 GOOGLE, US 376 201 162 151 RISQ-AS, CA 5786 198 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 680 282 1899 248 DFN Verein zur Foerderung eines Deutsch 786 183 1751 180 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 3596 36 4 3 Universidad Autonoma Metropolitana, MX 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 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 480 82 3 KENET-AS, KE 2018 380 319 71 TENET-1, ZA 327687 162 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 2755 3639 396 GOOGLE-CLOUD-PLATFORM, US 16509 2153 1653 908 AMAZON-02, US 14618 856 4033 645 AMAZON-AES, US 15169 831 1997 60 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 36914 480 82 3 KENET-AS, KE 7497 440 180 23 CSTNET-AS-AP Computer Network Informati 2018 380 319 71 TENET-1, ZA 680 282 1899 248 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 2153 1245 AMAZON-02, US 15169 831 771 GOOGLE, US 36914 480 477 KENET-AS, KE 7497 440 417 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 14618 856 211 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 327687 162 159 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 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 /13:34 /14:81 /15:160 /16:2097 /17:510 /18:500 /19:729 /20:2787 /21:1040 /22:1675 /23:1739 /24:13862 /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 36914 465 480 KENET-AS, KE 16509 313 2153 AMAZON-02, US 14618 283 856 AMAZON-AES, US 15169 274 831 GOOGLE, US 396982 206 2755 GOOGLE-CLOUD-PLATFORM, US 8895 156 161 ISU Internet Services Unit ISU, SA 27947 95 120 Telconet S.A, EC 32440 79 111 LONI, US 23024 52 109 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 3:84 5:20 8:28 12:1 13:44 14:90 15:70 16:112 18:65 23:108 24:3 31:3 34:23 35:51 38:9 40:5 41:178 42:10 43:2 44:9 45:58 46:11 47:1 49:9 50:3 52:552 54:184 58:1 59:19 60:6 61:3 62:9 63:36 64:160 65:13 66:81 67:61 68:13 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 84:9 85:35 86:4 87:4 88:1 89:19 91:58 92:5 93:17 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:41 103:292 104:228 107:33 108:103 109:10 111:16 114:32 115:1 116:10 117:61 118:32 119:19 121:27 122:8 123:8 124:42 125:5 128:82 129:45 130:139 131:68 132:59 133:157 134:110 135:3 136:298 137:152 138:58 139:17 140:41 141:6 142:285 143:23 144:40 145:3 146:145 147:68 148:203 149:17 150:43 151:18 152:135 153:14 154:29 155:73 156:69 157:24 158:39 159:148 160:30 161:28 162:92 163:87 164:24 165:54 166:1 167:24 168:141 169:11 170:147 171:1 172:114 173:116 174:2 175:25 176:10 177:6 178:1 179:9 180:15 182:1 184:4 185:100 186:3 187:1 188:20 189:3 190:2 191:13 192:1512 193:282 194:126 195:71 196:200 197:332 198:480 199:309 200:266 201:18 202:620 203:425 204:371 205:150 206:196 207:171 208:138 209:166 210:196 211:14 212:163 213:16 216:175 217:13 218:22 219:5 220:17 222:2 223:14 End of report