IPv4 R&E Routing Table Report 22:10 GMT Sat 10 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: 25645 Prefixes after maximum aggregation (per Origin AS): 12583 Deaggregation factor: 2.04 Unique aggregates announced (without unneeded subnets): 14250 Number of IPv4 prefixes with a valid ROA: 12776 Number of IPv4 prefixes with an invalid ROA: 181 Number of IPv4 prefixes with no ROA: 12688 Total ASes present in the Internet Routing Table: 2736 Prefixes per ASN: 9.37 Origin-only ASes present in the Internet Routing Table: 2350 Origin ASes announcing only one prefix: 1041 Transit ASes present in the Internet Routing Table: 386 Transit-only ASes present in the Internet Routing Table: 71 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 ( 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: 43596 Number of 32-bit ASNs visible in the Routing Table: 646 Prefixes from 32-bit ASNs in the Routing Table: 4798 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: 239322470 Equivalent to 14 /8s, 67 /16s and 197 /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: 3556 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4630 Total APNIC prefixes after maximum aggregation: 2257 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4682 Unique aggregates announced from the APNIC address blocks: 2622 APNIC Region origin ASes present in the Internet Routing Table: 528 APNIC Prefixes per ASN: 8.87 APNIC Region origin ASes announcing only one prefix: 221 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 5.8 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 198 Number of APNIC addresses announced to Internet: 45432896 Equivalent to 2 /8s, 181 /16s and 64 /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: 14618 Total ARIN prefixes after maximum aggregation: 6574 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 14418 Unique aggregates announced from the ARIN address blocks: 7425 ARIN Region origin ASes present in the Internet Routing Table: 1238 ARIN Prefixes per ASN: 11.65 ARIN Region origin ASes announcing only one prefix: 429 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: 202 Number of ARIN addresses announced to Internet: 129387649 Equivalent to 7 /8s, 182 /16s and 76 /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: 3595 Total RIPE prefixes after maximum aggregation: 2879 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3750 Unique aggregates announced from the RIPE address blocks: 3105 RIPE Region origin ASes present in the Internet Routing Table: 678 RIPE Prefixes per ASN: 5.53 RIPE Region origin ASes announcing only one prefix: 307 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: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 149 Number of RIPE addresses announced to Internet: 57591440 Equivalent to 3 /8s, 110 /16s and 198 /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: 1526 Total LACNIC prefixes after maximum aggregation: 680 LACNIC Deaggregation factor: 2.24 Prefixes being announced from the LACNIC address blocks: 1530 Unique aggregates announced from the LACNIC address blocks: 864 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 9.27 LACNIC Region origin ASes announcing only one prefix: 56 LACNIC Region transit ASes present in the Internet Routing Table: 29 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: 68 Number of LACNIC addresses announced to Internet: 4235285 Equivalent to 0 /8s, 64 /16s and 160 /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: 1261 Total AfriNIC prefixes after maximum aggregation: 181 AfriNIC Deaggregation factor: 6.97 Prefixes being announced from the AfriNIC address blocks: 1262 Unique aggregates announced from the AfriNIC address blocks: 231 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 23.81 AfriNIC Region origin ASes announcing only one prefix: 28 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: 29 Number of AfriNIC addresses announced to Internet: 2674432 Equivalent to 0 /8s, 40 /16s and 207 /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 439 180 23 CSTNET-AS-AP Computer Network Informati 1237 197 74 142 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 177 329 119 AARNET-AS-AP Australian Academic and Re 4538 129 4192 73 ERX-CERNET-BKB China Education and Rese 55824 127 19 18 NKN-CORE-NW NKN Core Network, IN 4762 75 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 2752 3639 394 GOOGLE-CLOUD-PLATFORM, US 16509 2169 1651 904 AMAZON-02, US 14618 856 4032 646 AMAZON-AES, US 15169 830 1997 60 GOOGLE, US 376 200 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 36492 162 12 45 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 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 3267 79 44 68 RUNNET, RU 553 78 462 78 BELWUE BelWue-Koordination, DE 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 117 0 88 Telconet S.A, EC 11340 116 25 53 Red Universitaria Nacional, CL 271640 68 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 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 36914 480 82 3 KENET-AS, KE 2018 375 319 71 TENET-1, ZA 327687 160 28 3 RENU, UG 8094 47 48 18 PUKNET, ZA 327700 43 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 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 2752 3639 394 GOOGLE-CLOUD-PLATFORM, US 16509 2169 1651 904 AMAZON-02, US 14618 856 4032 646 AMAZON-AES, US 15169 830 1997 60 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 36914 480 82 3 KENET-AS, KE 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 2018 375 319 71 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 376 200 162 150 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 2169 1265 AMAZON-02, US 15169 830 770 GOOGLE, US 36914 480 477 KENET-AS, KE 7497 439 416 CSTNET-AS-AP Computer Network Information Cente 2018 375 304 TENET-1, ZA 14618 856 210 AMAZON-AES, US 5786 197 196 UPRENET, PR 58647 180 178 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 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 /16:2098 /17:511 /18:500 /19:735 /20:2788 /21:1045 /22:1681 /23:1750 /24:13841 /25:84 /26:56 /27:75 /28:22 /29:80 /30:37 /31:35 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 465 480 KENET-AS, KE 16509 313 2169 AMAZON-02, US 14618 283 856 AMAZON-AES, US 15169 274 830 GOOGLE, US 396982 205 2752 GOOGLE-CLOUD-PLATFORM, US 8895 155 160 ISU Internet Services Unit ISU, SA 27947 94 117 Telconet S.A, EC 32440 80 112 LONI, US 23024 52 109 OCDE, US 327700 38 43 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 14:87 15:70 16:112 18:65 23:111 24:3 31:3 34:23 35:51 38:9 40:5 41:176 42:10 43:2 44:9 45:61 46:11 47:1 49:9 50:3 52:555 54:192 59:19 60:6 61:3 62:9 63:36 64:160 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 81:24 82:7 83:7 84:10 85:35 86:4 87:4 88:1 89:19 91:57 92:5 93:4 94:2 95:2 96:7 97:1 98:11 99:47 101:3 102:40 103:286 104:228 107:33 108:103 109:10 111:16 114:32 115:1 116:10 117:61 118:32 119:19 121:26 122:8 123:8 124:40 125:5 128:82 129:45 130:139 131:68 132:59 133:156 134:109 135:3 136:295 137:150 138:58 139:17 140:41 141:6 142:284 143:23 144:40 145:3 146:144 147:68 148:203 149:17 150:43 151:18 152:134 153:14 154:31 155:73 156:69 157:25 158:42 159:148 160:30 161:28 162:92 163:87 164:23 165:54 166:1 167:24 168:121 169:11 170:145 171:1 172:114 173:116 174:2 175:18 176:10 177:6 178:1 179:9 180:15 182:1 184:4 185:101 186:3 187:17 188:20 189:3 190:2 191:13 192:1493 193:280 194:126 195:72 196:203 197:329 198:480 199:308 200:267 201:34 202:622 203:426 204:371 205:149 206:205 207:171 208:138 209:166 210:196 211:14 212:161 213:16 216:175 217:13 218:22 219:5 220:17 222:2 223:14 End of report