IPv4 R&E Routing Table Report 22:25 GMT Thu 27 Jan, 2022 BGP Table (R&E) as seen at UH. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/UniHawaii/ Analysis Summary ---------------- BGP routing table entries examined: 23136 Prefixes after maximum aggregation (per Origin AS): 12621 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 14883 Number of IPv4 prefixes with a valid ROA: 7337 Number of IPv4 prefixes with an invalid ROA: 85 Number of IPv4 prefixes with no ROA: 15714 Total ASes present in the Internet Routing Table: 2766 Prefixes per ASN: 8.36 Origin-only ASes present in the Internet Routing Table: 2392 Origin ASes announcing only one prefix: 1092 Transit ASes present in the Internet Routing Table: 374 Transit-only ASes present in the Internet Routing Table: 49 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 15 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 3 Number of instances of unregistered ASNs: 3 Number of 32-bit ASNs allocated by the RIRs: 38401 Number of 32-bit ASNs visible in the Routing Table: 606 Prefixes from 32-bit ASNs in the Routing Table: 1701 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 6 Number of addresses announced to Internet: 288769252 Equivalent to 17 /8s, 54 /16s and 68 /24s Percentage of available address space announced: 7.8 Percentage of allocated address space announced: 7.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 3254 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4911 Total APNIC prefixes after maximum aggregation: 2285 APNIC Deaggregation factor: 2.15 Prefixes being announced from the APNIC address blocks: 4981 Unique aggregates announced from the APNIC address blocks: 2599 APNIC Region origin ASes present in the Internet Routing Table: 555 APNIC Prefixes per ASN: 8.97 APNIC Region origin ASes announcing only one prefix: 245 APNIC Region transit ASes present in the Internet Routing Table: 55 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 213 Number of APNIC addresses announced to Internet: 46175340 Equivalent to 2 /8s, 192 /16s and 148 /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, 131072-151865 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: 12413 Total ARIN prefixes after maximum aggregation: 6802 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 12251 Unique aggregates announced from the ARIN address blocks: 8305 ARIN Region origin ASes present in the Internet Routing Table: 1265 ARIN Prefixes per ASN: 9.68 ARIN Region origin ASes announcing only one prefix: 437 ARIN Region transit ASes present in the Internet Routing Table: 167 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 168 Number of ARIN addresses announced to Internet: 175240728 Equivalent to 10 /8s, 113 /16s and 246 /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: 3449 Total RIPE prefixes after maximum aggregation: 2773 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3531 Unique aggregates announced from the RIPE address blocks: 2904 RIPE Region origin ASes present in the Internet Routing Table: 675 RIPE Prefixes per ASN: 5.23 RIPE Region origin ASes announcing only one prefix: 320 RIPE Region transit ASes present in the Internet Routing Table: 101 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 134 Number of RIPE addresses announced to Internet: 59754432 Equivalent to 3 /8s, 143 /16s and 199 /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 196608-213403 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: 1467 Total LACNIC prefixes after maximum aggregation: 569 LACNIC Deaggregation factor: 2.58 Prefixes being announced from the LACNIC address blocks: 1472 Unique aggregates announced from the LACNIC address blocks: 772 LACNIC Region origin ASes present in the Internet Routing Table: 168 LACNIC Prefixes per ASN: 8.76 LACNIC Region origin ASes announcing only one prefix: 69 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66 Number of LACNIC addresses announced to Internet: 4714272 Equivalent to 0 /8s, 71 /16s and 239 /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: 893 Total AfriNIC prefixes after maximum aggregation: 189 AfriNIC Deaggregation factor: 4.72 Prefixes being announced from the AfriNIC address blocks: 895 Unique aggregates announced from the AfriNIC address blocks: 297 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 17.55 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2883072 Equivalent to 0 /8s, 43 /16s and 254 /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 619 2157 458 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 7575 350 330 125 AARNET-AS-AP Australian Academic and Re 58647 200 18 2 KAGAWAU-AS Kagawa University, JP 1237 192 74 135 KREONET-AS-KR KISTI, KR 55824 130 19 23 NKN-CORE-NW NKN Core Network, IN 4538 127 4192 72 ERX-CERNET-BKB China Education and Rese 4621 80 37 10 UNINET-AS-AP UNINET-, TH 24313 80 16 1 NSW-DET-AS NSW Department of Education, 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 2908 4514 1144 AMAZON-02, US 14618 570 3987 437 AMAZON-AES, US 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 8075 204 10901 186 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 161 507 90 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 1 119 1 43 LVLT-1, US Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 182 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 67 647 61 FR-RENATER Reseau National de telecommu 2614 58 32 55 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 201 207 42 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 95 24 55 Red Universitaria Nacional, CL 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 61468 45 3 15 CEDIA, EC 4270 44 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blume 28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 349 319 74 TENET-1, ZA 36914 202 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 37 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 2908 4514 1144 AMAZON-02, US 2907 619 2157 458 SINET-AS Research Organization of Infor 14618 570 3987 437 AMAZON-AES, US 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 7575 350 330 125 AARNET-AS-AP Australian Academic and Re 2018 349 319 74 TENET-1, ZA 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 8075 204 10901 186 MICROSOFT-CORP-MSN-AS-BLOCK, US Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 432 408 CSTNET-AS-AP Computer Network Information Cente 2018 349 275 TENET-1, ZA 7896 251 244 NU-AS, US 7575 350 225 AARNET-AS-AP Australian Academic and Research N 36914 202 199 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 200 198 KAGAWAU-AS Kagawa University, JP 8895 182 178 ISU Internet Services Unit ISU, SA 2907 619 161 SINET-AS Research Organization of Information a 1916 201 159 Rede Nacional de Ensino e Pesquisa, BR Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.127.133.128/25 11096 FLORIDANET, US 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 100.127.133.128/25 Origin: 11096 FLORIDANET, US 100.127.133.128/25 Transit: 2153 CSUNET-NE, US 103.151.24.0/24 Origin: 16509 AMAZON-02, US 103.151.24.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US 192.31.196.0/24 Origin: 112 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US 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/UniHawaii/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 /10:4 /11:7 /12:28 /13:33 /14:80 /15:200 /16:2147 /17:460 /18:481 /19:611 /20:972 /21:1033 /22:1615 /23:1772 /24:13203 /25:81 /26:62 /27:129 /28:59 /29:85 /30:19 /31:4 /32:50 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 773 2908 AMAZON-02, US 14618 189 570 AMAZON-AES, US 36914 189 202 KENET-AS, KE 8895 177 182 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 1 35 119 LVLT-1, US 58647 34 200 KAGAWAU-AS Kagawa University, JP 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 3:81 4:2 5:16 6:4 8:2 12:1 13:221 14:85 15:53 16:5 18:45 23:43 24:3 31:6 35:2 37:6 38:9 40:3 41:114 42:8 44:5 45:49 46:8 47:1 49:8 50:9 52:686 54:186 58:1 59:4 60:4 61:3 62:7 63:42 64:132 65:10 66:69 67:63 68:17 69:46 70:14 71:25 72:21 74:42 75:128 76:166 77:9 78:3 79:10 80:16 81:28 82:6 83:6 84:4 85:37 86:4 87:1 88:1 89:12 91:55 92:1 93:19 94:4 95:6 96:6 97:1 98:11 99:183 101:6 102:13 103:314 104:108 106:1 107:24 108:23 109:12 110:3 111:21 112:4 113:2 114:23 116:5 117:61 118:2 119:22 121:26 122:3 124:39 125:4 128:70 129:184 130:127 131:98 132:52 133:140 134:102 135:1 136:206 137:238 138:18 139:26 140:52 141:4 142:58 143:33 144:72 145:2 146:128 147:66 148:201 149:16 150:45 151:8 152:81 153:86 154:25 155:59 156:69 157:32 158:46 159:119 160:30 161:22 162:53 163:74 164:53 165:63 166:1 167:23 168:164 169:10 170:120 171:1 172:10 173:18 174:1 175:31 176:12 177:13 178:3 179:12 180:21 181:1 182:9 184:10 185:61 186:3 187:18 188:14 189:5 190:33 191:33 192:1498 193:256 194:126 195:88 196:148 197:113 198:530 199:318 200:254 201:40 202:600 203:426 204:364 205:199 206:215 207:196 208:105 209:137 210:182 211:13 212:173 213:15 214:7 216:145 217:15 218:25 219:6 220:17 222:5 223:3 End of report