IPv4 R&E Routing Table Report 20:15 GMT Wed 18 May, 2022 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 20123 Prefixes after maximum aggregation (per Origin AS): 11004 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 12260 Number of IPv4 prefixes with a valid ROA: 5340 Number of IPv4 prefixes with an invalid ROA: 47 Number of IPv4 prefixes with no ROA: 14736 Total ASes present in the Internet Routing Table: 2793 Prefixes per ASN: 7.20 Origin-only ASes present in the Internet Routing Table: 2400 Origin ASes announcing only one prefix: 1085 Transit ASes present in the Internet Routing Table: 393 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 15 Max AS path prepend of ASN ( 1149) 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: 39418 Number of 32-bit ASNs visible in the Routing Table: 627 Prefixes from 32-bit ASNs in the Routing Table: 1708 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 264455539 Equivalent to 15 /8s, 195 /16s and 69 /24s Percentage of available address space announced: 7.1 Percentage of allocated address space announced: 7.1 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: 2559 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5109 Total APNIC prefixes after maximum aggregation: 2401 APNIC Deaggregation factor: 2.13 Prefixes being announced from the APNIC address blocks: 4970 Unique aggregates announced from the APNIC address blocks: 2690 APNIC Region origin ASes present in the Internet Routing Table: 584 APNIC Prefixes per ASN: 8.51 APNIC Region origin ASes announcing only one prefix: 250 APNIC Region transit ASes present in the Internet Routing Table: 76 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 230 Number of APNIC addresses announced to Internet: 47626092 Equivalent to 2 /8s, 214 /16s and 183 /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: 9043 Total ARIN prefixes after maximum aggregation: 4968 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 9158 Unique aggregates announced from the ARIN address blocks: 5627 ARIN Region origin ASes present in the Internet Routing Table: 1230 ARIN Prefixes per ASN: 7.45 ARIN Region origin ASes announcing only one prefix: 439 ARIN Region transit ASes present in the Internet Routing Table: 159 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 175 Number of ARIN addresses announced to Internet: 149591713 Equivalent to 8 /8s, 234 /16s and 150 /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: 3609 Total RIPE prefixes after maximum aggregation: 2867 RIPE Deaggregation factor: 1.26 Prefixes being announced from the RIPE address blocks: 3639 Unique aggregates announced from the RIPE address blocks: 2889 RIPE Region origin ASes present in the Internet Routing Table: 687 RIPE Prefixes per ASN: 5.30 RIPE Region origin ASes announcing only one prefix: 308 RIPE Region transit ASes present in the Internet Routing Table: 105 Average RIPE Region AS path length visible: 3.9 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: 59701830 Equivalent to 3 /8s, 142 /16s and 250 /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: 1424 Total LACNIC prefixes after maximum aggregation: 565 LACNIC Deaggregation factor: 2.52 Prefixes being announced from the LACNIC address blocks: 1422 Unique aggregates announced from the LACNIC address blocks: 760 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.62 LACNIC Region origin ASes announcing only one prefix: 67 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: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4740896 Equivalent to 0 /8s, 72 /16s and 87 /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: 930 Total AfriNIC prefixes after maximum aggregation: 195 AfriNIC Deaggregation factor: 4.77 Prefixes being announced from the AfriNIC address blocks: 932 Unique aggregates announced from the AfriNIC address blocks: 292 AfriNIC Region origin ASes present in the Internet Routing Table: 47 AfriNIC Prefixes per ASN: 19.83 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24 Number of AfriNIC addresses announced to Internet: 2794496 Equivalent to 0 /8s, 42 /16s and 164 /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 2140 456 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 45102 277 467 87 ALIBABA-CN-NET Alibaba US Technology Co 1237 193 74 135 KREONET-AS-KR KISTI, KR 4538 190 4192 73 ERX-CERNET-BKB China Education and Rese 7575 176 330 122 AARNET-AS-AP Australian Academic and Re 58647 175 18 2 KAGAWAU-AS Kagawa University, JP 55824 115 18 11 NKN-CORE-NW NKN Core Network, IN 4621 78 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/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 15169 741 3282 69 GOOGLE, US 8075 211 10877 190 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 202 178 151 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 6939 170 120 120 HURRICANE, US 2152 157 507 91 CSUNET-NW, US 18558 131 18 4 NETBLK-RCOEK, US 270 120 329 88 AS270, US 23024 114 7 17 OCDE, US 2920 110 34 6 LACOE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1965 250 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 180 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 100 1520 86 SURFNET-NL SURFnet, The Netherlands, NL 2614 96 27 76 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 553 73 449 73 BELWUE BelWue-Koordination, DE 2200 63 583 58 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/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 174 208 46 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 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 43 16 1 Red de Interconexion Universitaria, AR 28614 37 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/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 375 319 74 TENET-1, ZA 36914 212 82 3 KENET-AS, KE 2561 67 4 32 EUN, EG 8094 49 48 9 PUKNET, ZA 327687 37 28 3 RENU, UG 327700 36 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/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 15169 741 3282 69 GOOGLE, US 2907 619 2140 456 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 375 319 74 TENET-1, ZA 680 283 1965 250 DFN Verein zur Foerderung eines Deutsch 45102 277 467 87 ALIBABA-CN-NET Alibaba US Technology Co 36914 212 82 3 KENET-AS, KE 8075 211 10877 190 MICROSOFT-CORP-MSN-AS-BLOCK, US 376 202 178 151 RISQ-AS, CA 5786 200 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 375 301 TENET-1, ZA 36914 212 209 KENET-AS, KE 5786 200 199 UPRENET, PR 45102 277 190 ALIBABA-CN-NET Alibaba US Technology Co., Ltd., 8895 180 176 ISU Internet Services Unit ISU, SA 58647 175 173 KAGAWAU-AS Kagawa University, JP 2907 619 163 SINET-AS Research Organization of Information a 1916 174 128 Rede Nacional de Ensino e Pesquisa, BR 18558 131 127 NETBLK-RCOEK, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 14212 UNALLOCATED 198.189.240.0/24 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 14212 UNALLOCATED 205.155.0.0/19 2152 CSUNET-NW, US 14212 UNALLOCATED 205.155.240.0/20 2152 CSUNET-NW, 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/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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: 17579 KREONET2-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /11:6 /12:23 /13:37 /14:83 /15:152 /16:2123 /17:459 /18:498 /19:722 /20:906 /21:897 /22:1470 /23:1631 /24:10754 /25:88 /26:58 /27:88 /28:26 /29:18 /30:19 /31:0 /32:60 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 15169 273 741 GOOGLE, US 36914 199 212 KENET-AS, KE 8895 175 180 ISU Internet Services Unit ISU, SA 32440 73 88 LONI, US 6939 66 170 HURRICANE, US 23024 53 114 OCDE, US 327700 32 36 MoRENet, MZ 25977 31 45 HCCS, US 28614 31 37 Fundacao Universidade Regional de Blumenau, BR 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:3 5:17 8:8 12:1 13:1 14:85 18:43 23:16 24:3 31:6 34:2 35:5 37:8 38:9 40:1 41:124 42:15 44:4 45:44 46:6 47:40 49:10 50:4 52:2 58:10 59:21 60:4 61:3 62:8 63:38 64:84 65:7 66:58 67:45 68:8 69:19 70:10 71:1 72:18 74:83 76:34 77:7 78:3 79:10 80:18 81:28 82:5 83:6 84:9 85:41 86:6 87:1 88:1 89:10 91:45 93:10 94:4 95:4 96:5 97:1 98:2 101:8 102:11 103:328 104:78 107:16 108:43 109:10 110:6 111:17 114:23 116:7 117:61 118:33 119:23 121:28 122:8 123:8 124:39 125:4 128:91 129:38 130:93 131:88 132:58 133:145 134:97 136:200 137:76 138:9 139:5 140:42 141:1 142:151 143:31 144:25 145:2 146:129 147:56 148:192 149:12 150:42 151:6 152:77 153:13 154:29 155:53 156:67 157:21 158:41 159:116 160:25 161:28 162:22 163:59 164:19 165:57 166:2 167:17 168:124 169:10 170:68 171:1 172:91 173:86 175:31 176:8 177:12 179:9 180:21 181:1 182:6 184:10 185:47 186:3 187:19 188:13 189:5 190:34 191:33 192:1427 193:312 194:148 195:85 196:163 197:121 198:520 199:265 200:233 201:38 202:634 203:429 204:332 205:166 206:194 207:173 208:83 209:131 210:184 211:15 212:150 213:5 216:129 217:12 218:22 219:12 220:17 222:6 223:6 End of report