IPv4 R&E Routing Table Report 22:25 GMT Wed 09 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: 23391 Prefixes after maximum aggregation (per Origin AS): 12779 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 14997 Number of IPv4 prefixes with a valid ROA: 7509 Number of IPv4 prefixes with an invalid ROA: 85 Number of IPv4 prefixes with no ROA: 15797 Total ASes present in the Internet Routing Table: 2787 Prefixes per ASN: 8.39 Origin-only ASes present in the Internet Routing Table: 2416 Origin ASes announcing only one prefix: 1090 Transit ASes present in the Internet Routing Table: 371 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: 16 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 7 Number of instances of unregistered ASNs: 7 Number of 32-bit ASNs allocated by the RIRs: 38738 Number of 32-bit ASNs visible in the Routing Table: 617 Prefixes from 32-bit ASNs in the Routing Table: 1707 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: 288692570 Equivalent to 17 /8s, 53 /16s and 25 /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: 3279 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5100 Total APNIC prefixes after maximum aggregation: 2325 APNIC Deaggregation factor: 2.19 Prefixes being announced from the APNIC address blocks: 5168 Unique aggregates announced from the APNIC address blocks: 2679 APNIC Region origin ASes present in the Internet Routing Table: 574 APNIC Prefixes per ASN: 9.00 APNIC Region origin ASes announcing only one prefix: 244 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 221 Number of APNIC addresses announced to Internet: 46200428 Equivalent to 2 /8s, 192 /16s and 246 /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: 12445 Total ARIN prefixes after maximum aggregation: 6883 ARIN Deaggregation factor: 1.81 Prefixes being announced from the ARIN address blocks: 12280 Unique aggregates announced from the ARIN address blocks: 8352 ARIN Region origin ASes present in the Internet Routing Table: 1260 ARIN Prefixes per ASN: 9.75 ARIN Region origin ASes announcing only one prefix: 439 ARIN Region transit ASes present in the Internet Routing Table: 163 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: 175208318 Equivalent to 10 /8s, 113 /16s and 119 /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: 3502 Total RIPE prefixes after maximum aggregation: 2811 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3593 Unique aggregates announced from the RIPE address blocks: 2900 RIPE Region origin ASes present in the Internet Routing Table: 682 RIPE Prefixes per ASN: 5.27 RIPE Region origin ASes announcing only one prefix: 318 RIPE Region transit ASes present in the Internet Routing Table: 100 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: 135 Number of RIPE addresses announced to Internet: 59739584 Equivalent to 3 /8s, 143 /16s and 141 /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: 1432 Total LACNIC prefixes after maximum aggregation: 569 LACNIC Deaggregation factor: 2.52 Prefixes being announced from the LACNIC address blocks: 1437 Unique aggregates announced from the LACNIC address blocks: 770 LACNIC Region origin ASes present in the Internet Routing Table: 166 LACNIC Prefixes per ASN: 8.66 LACNIC Region origin ASes announcing only one prefix: 67 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: 4706352 Equivalent to 0 /8s, 71 /16s and 208 /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: 905 Total AfriNIC prefixes after maximum aggregation: 184 AfriNIC Deaggregation factor: 4.92 Prefixes being announced from the AfriNIC address blocks: 907 Unique aggregates announced from the AfriNIC address blocks: 290 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 18.14 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 2836480 Equivalent to 0 /8s, 43 /16s and 72 /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 632 2157 459 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 201 18 2 KAGAWAU-AS Kagawa University, JP 1237 192 74 135 KREONET-AS-KR KISTI, KR 4538 128 4192 72 ERX-CERNET-BKB China Education and Rese 55824 128 18 22 NKN-CORE-NW NKN Core Network, IN 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 2923 4525 1228 AMAZON-02, US 14618 582 3987 446 AMAZON-AES, US 7896 252 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 8075 206 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 203 178 152 RISQ-AS, CA 5786 200 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 680 278 1965 244 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 66 647 61 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 357 319 71 TENET-1, ZA 36914 202 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 40 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 2923 4525 1228 AMAZON-02, US 2907 632 2157 459 SINET-AS Research Organization of Infor 14618 582 3987 446 AMAZON-AES, US 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 357 319 71 TENET-1, ZA 7575 350 330 125 AARNET-AS-AP Australian Academic and Re 680 278 1965 244 DFN Verein zur Foerderung eines Deutsch 7896 252 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 8075 206 10885 187 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 357 286 TENET-1, ZA 7896 252 245 NU-AS, US 7575 350 225 AARNET-AS-AP Australian Academic and Research N 36914 202 199 KENET-AS, KE 58647 201 199 KAGAWAU-AS Kagawa University, JP 5786 200 199 UPRENET, PR 8895 181 177 ISU Internet Services Unit ISU, SA 2907 632 173 SINET-AS Research Organization of Information a 14618 582 136 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 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 /16:2148 /17:460 /18:479 /19:608 /20:996 /21:1052 /22:1648 /23:1816 /24:13349 /25:80 /26:58 /27:125 /28:60 /29:86 /30:19 /31:5 /32:50 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 821 2923 AMAZON-02, US 14618 193 582 AMAZON-AES, US 36914 189 202 KENET-AS, KE 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 41:120 42:9 44:5 45:50 46:11 47:1 49:10 50:11 52:698 54:186 58:1 59:20 60:4 61:3 62:7 63:42 64:143 65:10 66:71 67:63 68:17 69:46 70:29 71:25 72:18 74:43 75:128 76:166 77:9 78:3 79:10 80:15 81:28 82:5 83:6 84:4 85:42 86:4 87:1 88:1 89:12 91:53 92:1 93:23 94:4 95:5 96:6 97:1 98:11 99:186 101:6 102:13 103:336 104:109 106:1 107:25 108:24 109:12 110:3 111:21 112:4 113:2 114:23 116:5 117:61 118:34 119:22 121:26 122:11 124:39 125:4 128:70 129:185 130:153 131:103 132:50 133:141 134:100 135:1 136:206 137:247 138:18 139:26 140:52 141:3 142:58 143:33 144:72 145:2 146:128 147:65 148:201 149:16 150:50 151:8 152:81 153:88 154:26 155:60 156:69 157:32 158:45 159:119 160:30 161:26 162:53 163:73 164:53 165:64 166:1 167:23 168:169 169:10 170:121 171:1 172:10 173:19 174:1 175:31 176:12 177:12 178:2 179:12 180:21 182:9 184:3 185:64 186:3 187:19 188:14 189:5 190:33 191:33 192:1497 193:280 194:127 195:81 196:153 197:113 198:531 199:326 200:245 201:39 202:631 203:436 204:364 205:198 206:217 207:196 208:113 209:137 210:185 211:13 212:150 213:16 214:7 216:149 217:11 218:25 219:6 220:18 222:5 223:3 End of report