IPv4 R&E Routing Table Report 22:25 GMT Mon 14 Mar, 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: 23351 Prefixes after maximum aggregation (per Origin AS): 12736 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 14938 Number of IPv4 prefixes with a valid ROA: 7557 Number of IPv4 prefixes with an invalid ROA: 85 Number of IPv4 prefixes with no ROA: 15709 Total ASes present in the Internet Routing Table: 2771 Prefixes per ASN: 8.43 Origin-only ASes present in the Internet Routing Table: 2397 Origin ASes announcing only one prefix: 1081 Transit ASes present in the Internet Routing Table: 374 Transit-only ASes present in the Internet Routing Table: 52 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 16 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 8 Number of instances of unregistered ASNs: 8 Number of 32-bit ASNs allocated by the RIRs: 38793 Number of 32-bit ASNs visible in the Routing Table: 608 Prefixes from 32-bit ASNs in the Routing Table: 1661 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: 288650074 Equivalent to 17 /8s, 52 /16s and 115 /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: 3272 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5057 Total APNIC prefixes after maximum aggregation: 2297 APNIC Deaggregation factor: 2.20 Prefixes being announced from the APNIC address blocks: 5127 Unique aggregates announced from the APNIC address blocks: 2647 APNIC Region origin ASes present in the Internet Routing Table: 567 APNIC Prefixes per ASN: 9.04 APNIC Region origin ASes announcing only one prefix: 241 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 215 Number of APNIC addresses announced to Internet: 46170220 Equivalent to 2 /8s, 192 /16s and 128 /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: 12448 Total ARIN prefixes after maximum aggregation: 6882 ARIN Deaggregation factor: 1.81 Prefixes being announced from the ARIN address blocks: 12282 Unique aggregates announced from the ARIN address blocks: 8333 ARIN Region origin ASes present in the Internet Routing Table: 1261 ARIN Prefixes per ASN: 9.74 ARIN Region origin ASes announcing only one prefix: 442 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: 169 Number of ARIN addresses announced to Internet: 175199102 Equivalent to 10 /8s, 113 /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: 3482 Total RIPE prefixes after maximum aggregation: 2793 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3573 Unique aggregates announced from the RIPE address blocks: 2887 RIPE Region origin ASes present in the Internet Routing Table: 670 RIPE Prefixes per ASN: 5.33 RIPE Region origin ASes announcing only one prefix: 311 RIPE Region transit ASes present in the Internet Routing Table: 97 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 16 Number of RIPE region 32-bit ASNs visible in the Routing Table: 133 Number of RIPE addresses announced to Internet: 59703744 Equivalent to 3 /8s, 143 /16s and 1 /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: 1430 Total LACNIC prefixes after maximum aggregation: 569 LACNIC Deaggregation factor: 2.51 Prefixes being announced from the LACNIC address blocks: 1435 Unique aggregates announced from the LACNIC address blocks: 771 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.70 LACNIC Region origin ASes announcing only one prefix: 65 LACNIC Region transit ASes present in the Internet Routing Table: 22 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: 65 Number of LACNIC addresses announced to Internet: 4707376 Equivalent to 0 /8s, 71 /16s and 212 /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: 926 Total AfriNIC prefixes after maximum aggregation: 187 AfriNIC Deaggregation factor: 4.95 Prefixes being announced from the AfriNIC address blocks: 928 Unique aggregates announced from the AfriNIC address blocks: 294 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 18.56 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2868224 Equivalent to 0 /8s, 43 /16s and 196 /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 630 2124 459 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 7575 351 330 126 AARNET-AS-AP Australian Academic and Re 58647 201 18 2 KAGAWAU-AS Kagawa University, JP 1237 192 74 135 KREONET-AS-KR KISTI, KR 55824 129 19 23 NKN-CORE-NW NKN Core Network, IN 4538 128 4192 72 ERX-CERNET-BKB China Education and Rese 24313 80 16 1 NSW-DET-AS NSW Department of Education, 4621 79 37 10 UNINET-AS-AP UNINET-, TH 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 2990 4529 1228 AMAZON-02, US 14618 583 3987 447 AMAZON-AES, US 7896 252 51 7 NU-AS, US 668 211 702 179 DNIC-AS-00668, US 8075 206 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 203 178 152 RISQ-AS, CA 5786 182 16 1 UPRENET, PR 2152 164 507 91 CSUNET-NW, US 18558 135 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, 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 1967 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 181 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2614 69 30 59 ROEDUNET, RO 2200 65 615 60 FR-RENATER Reseau National de telecommu 1930 58 81 53 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 175 208 46 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 95 24 54 Red Universitaria Nacional, CL 1251 60 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 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA 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 373 319 74 TENET-1, ZA 36914 207 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 39 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 17 8 1 TERNET, TZ 37074 13 8 2 UG-AS, GH 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 2990 4529 1228 AMAZON-02, US 2907 630 2124 459 SINET-AS Research Organization of Infor 14618 583 3987 447 AMAZON-AES, US 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 373 319 74 TENET-1, ZA 7575 351 330 126 AARNET-AS-AP Australian Academic and Re 680 279 1967 245 DFN Verein zur Foerderung eines Deutsch 7896 252 51 7 NU-AS, US 668 211 702 179 DNIC-AS-00668, US 36914 207 82 3 KENET-AS, KE 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 373 299 TENET-1, ZA 7896 252 245 NU-AS, US 7575 351 225 AARNET-AS-AP Australian Academic and Research N 36914 207 204 KENET-AS, KE 58647 201 199 KAGAWAU-AS Kagawa University, JP 5786 182 181 UPRENET, PR 8895 181 177 ISU Internet Services Unit ISU, SA 2907 630 171 SINET-AS Research Organization of Information a 14618 583 136 AMAZON-AES, US 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 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 22644 UNALLOCATED 147.140.64.32/27 14877 PENNREN, US 22644 UNALLOCATED 147.140.64.64/27 14877 PENNREN, US 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 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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 /15:199 /16:2147 /17:463 /18:479 /19:611 /20:994 /21:1037 /22:1640 /23:1808 /24:13339 /25:81 /26:57 /27:124 /28:58 /29:87 /30:19 /31:5 /32:50 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 820 2990 AMAZON-02, US 36914 194 207 KENET-AS, KE 14618 193 583 AMAZON-AES, US 8895 176 181 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 1 35 118 LVLT-1, US 58647 34 201 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 13:109 14:85 15:58 16:5 18:53 23:44 24:3 31:6 35:2 37:7 38:9 40:3 41:122 42:9 44:5 45:50 46:11 47:1 49:10 50:11 52:698 54:250 58:1 59:20 60:4 61:3 62:7 63:42 64:144 65:10 66:72 67:63 68:17 69:46 70:28 71:25 72:18 74:43 75:128 76:166 77:7 78:3 79:10 80:15 81:28 82:5 83:6 84:4 85:42 86:4 87:1 88:1 89:12 91:52 92:1 93:23 94:4 95:5 96:6 97:1 98:11 99:186 101:6 102:12 103:327 104:110 106:1 107:25 108:24 109:12 110:3 111:21 113:2 114:23 116:5 117:61 118:34 119:22 121:27 122:11 124:39 125:4 128:70 129:185 130:152 131:103 132:50 133:141 134:100 135:1 136:188 137:248 138:18 139:26 140:52 141:3 142:58 143:33 144:72 145:2 146:128 147:65 148:201 149:16 150:48 151:8 152:81 153:88 154:26 155:60 156:70 157:32 158:45 159:119 160:30 161:26 162:53 163:73 164:45 165:64 166:1 167:23 168:169 169:10 170:123 171:1 172:10 173:19 174:1 175:29 176:12 177:12 178:2 179:12 180:21 182:9 184:3 185:64 186:3 187:19 188:14 189:5 190:33 191:33 192:1500 193:277 194:126 195:79 196:163 197:116 198:532 199:322 200:243 201:39 202:631 203:434 204:336 205:198 206:217 207:196 208:113 209:137 210:183 211:13 212:147 213:16 214:7 216:149 217:11 218:22 219:6 220:16 222:5 223:3 End of report