IPv4 R&E Routing Table Report 22:25 GMT Sat 19 Feb, 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: 23390 Prefixes after maximum aggregation (per Origin AS): 12702 Deaggregation factor: 1.84 Unique aggregates announced (without unneeded subnets): 14988 Number of IPv4 prefixes with a valid ROA: 7497 Number of IPv4 prefixes with an invalid ROA: 87 Number of IPv4 prefixes with no ROA: 15806 Total ASes present in the Internet Routing Table: 2800 Prefixes per ASN: 8.35 Origin-only ASes present in the Internet Routing Table: 2422 Origin ASes announcing only one prefix: 1101 Transit ASes present in the Internet Routing Table: 378 Transit-only ASes present in the Internet Routing Table: 54 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: 4 Number of instances of unregistered ASNs: 4 Number of 32-bit ASNs allocated by the RIRs: 38596 Number of 32-bit ASNs visible in the Routing Table: 624 Prefixes from 32-bit ASNs in the Routing Table: 1714 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: 288589002 Equivalent to 17 /8s, 51 /16s and 132 /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: 3232 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5106 Total APNIC prefixes after maximum aggregation: 2338 APNIC Deaggregation factor: 2.18 Prefixes being announced from the APNIC address blocks: 5173 Unique aggregates announced from the APNIC address blocks: 2698 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 8.87 APNIC Region origin ASes announcing only one prefix: 251 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 229 Number of APNIC addresses announced to Internet: 46205292 Equivalent to 2 /8s, 193 /16s and 9 /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: 12473 Total ARIN prefixes after maximum aggregation: 6836 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 12308 Unique aggregates announced from the ARIN address blocks: 8348 ARIN Region origin ASes present in the Internet Routing Table: 1264 ARIN Prefixes per ASN: 9.74 ARIN Region origin ASes announcing only one prefix: 440 ARIN Region transit ASes present in the Internet Routing Table: 165 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: 175174910 Equivalent to 10 /8s, 112 /16s and 244 /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: 3464 Total RIPE prefixes after maximum aggregation: 2777 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3553 Unique aggregates announced from the RIPE address blocks: 2879 RIPE Region origin ASes present in the Internet Routing Table: 684 RIPE Prefixes per ASN: 5.19 RIPE Region origin ASes announcing only one prefix: 323 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: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 138 Number of RIPE addresses announced to Internet: 59679424 Equivalent to 3 /8s, 142 /16s and 162 /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: 1460 Total LACNIC prefixes after maximum aggregation: 563 LACNIC Deaggregation factor: 2.59 Prefixes being announced from the LACNIC address blocks: 1465 Unique aggregates announced from the LACNIC address blocks: 769 LACNIC Region origin ASes present in the Internet Routing Table: 164 LACNIC Prefixes per ASN: 8.93 LACNIC Region origin ASes announcing only one prefix: 66 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: 63 Number of LACNIC addresses announced to Internet: 4712736 Equivalent to 0 /8s, 71 /16s and 233 /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: 883 Total AfriNIC prefixes after maximum aggregation: 184 AfriNIC Deaggregation factor: 4.80 Prefixes being announced from the AfriNIC address blocks: 885 Unique aggregates announced from the AfriNIC address blocks: 288 AfriNIC Region origin ASes present in the Internet Routing Table: 47 AfriNIC Prefixes per ASN: 18.83 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: 3.7 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: 2815232 Equivalent to 0 /8s, 42 /16s and 245 /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 618 2156 457 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 199 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 128 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 2955 4516 1174 AMAZON-02, US 14618 577 3987 442 AMAZON-AES, US 7896 251 51 7 NU-AS, US 668 212 702 180 DNIC-AS-00668, US 8075 205 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 162 507 91 CSUNET-NW, US 18558 136 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 1950 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 183 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 72 449 72 BELWUE BelWue-Koordination, DE 2200 66 647 61 FR-RENATER Reseau National de telecommu 2614 63 30 60 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 202 207 42 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 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 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 351 319 74 TENET-1, ZA 36914 200 82 3 KENET-AS, KE 2561 73 5 32 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 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 2955 4516 1174 AMAZON-02, US 2907 618 2156 457 SINET-AS Research Organization of Infor 14618 577 3987 442 AMAZON-AES, US 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 351 319 74 TENET-1, ZA 7575 350 330 125 AARNET-AS-AP Australian Academic and Re 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 205 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 351 277 TENET-1, ZA 7896 251 244 NU-AS, US 7575 350 225 AARNET-AS-AP Australian Academic and Research N 5786 200 199 UPRENET, PR 36914 200 197 KENET-AS, KE 58647 199 197 KAGAWAU-AS Kagawa University, JP 8895 183 179 ISU Internet Services Unit ISU, SA 2907 618 161 SINET-AS Research Organization of Information a 1916 202 160 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 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, 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 /16:2146 /17:461 /18:477 /19:611 /20:983 /21:1048 /22:1632 /23:1791 /24:13397 /25:81 /26:62 /27:130 /28:59 /29:85 /30:19 /31:5 /32:50 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 781 2955 AMAZON-02, US 14618 192 577 AMAZON-AES, US 36914 187 200 KENET-AS, KE 8895 178 183 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 1 35 118 LVLT-1, US 58647 34 199 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 13:233 14:85 15:55 16:5 18:53 23:43 24:3 31:6 35:2 37:6 38:9 40:2 41:114 42:9 44:5 45:50 46:11 47:1 49:10 50:9 52:691 54:186 58:1 59:20 60:4 61:3 62:7 63:42 64:131 65:10 66:71 67:63 68:17 69:46 70:16 71:25 72:21 74:43 75:128 76:166 77:9 78:3 79:10 80:15 81:28 82:5 83:6 84:4 85:37 86:4 87:1 88:1 89:12 91:53 92:1 93:24 94:4 95:5 96:6 97:1 98:11 99:183 101:6 102:9 103:348 104:109 106:1 107:24 108:23 109:12 110:3 111:21 112:4 113:2 114:23 116:5 117:61 118:34 119:22 121:26 122:11 124:39 125:4 128:71 129:183 130:130 131:102 132:52 133:139 134:101 135:1 136:206 137:247 138:18 139:26 140:52 141:4 142:58 143:33 144:72 145:2 146:128 147:65 148:201 149:16 150:48 151:8 152:81 153:86 154:23 155:59 156:69 157:32 158:45 159:119 160:30 161:26 162:53 163:73 164:53 165:63 166:1 167:23 168:164 169:10 170:122 171:1 172:10 173:18 174:1 175:31 176:12 177:12 178:3 179:12 180:21 182:9 184:3 185:64 186:3 187:18 188:14 189:5 190:33 191:33 192:1492 193:271 194:126 195:82 196:150 197:112 198:531 199:325 200:252 201:40 202:638 203:436 204:365 205:201 206:217 207:196 208:113 209:137 210:185 211:13 212:154 213:15 214:7 216:147 217:15 218:25 219:6 220:18 222:5 223:3 End of report