IPv4 R&E Routing Table Report 22:10 GMT Thu 23 May, 2024 IPv4 BGP Table (R&E) as seen at CEDIA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/ Analysis Summary ---------------- BGP routing table entries examined: 25529 Prefixes after maximum aggregation (per Origin AS): 12722 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14363 Number of IPv4 prefixes with a valid ROA: 12744 Number of IPv4 prefixes with an invalid ROA: 161 Number of IPv4 prefixes with no ROA: 12624 Total ASes present in the Internet Routing Table: 2733 Prefixes per ASN: 9.34 Origin-only ASes present in the Internet Routing Table: 2362 Origin ASes announcing only one prefix: 1038 Transit ASes present in the Internet Routing Table: 371 Transit-only ASes present in the Internet Routing Table: 69 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 15 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 2 Number of instances of unregistered ASNs: 2 Number of 32-bit ASNs allocated by the RIRs: 44529 Number of 32-bit ASNs visible in the Routing Table: 644 Prefixes from 32-bit ASNs in the Routing Table: 4629 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 5 Number of addresses announced to Internet: 239971104 Equivalent to 14 /8s, 77 /16s and 171 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 6.5 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: 3388 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4604 Total APNIC prefixes after maximum aggregation: 2270 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4660 Unique aggregates announced from the APNIC address blocks: 2611 APNIC Region origin ASes present in the Internet Routing Table: 547 APNIC Prefixes per ASN: 8.52 APNIC Region origin ASes announcing only one prefix: 232 APNIC Region transit ASes present in the Internet Routing Table: 58 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 210 Number of APNIC addresses announced to Internet: 45680192 Equivalent to 2 /8s, 185 /16s and 6 /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, 131072-153913 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: 14989 Total ARIN prefixes after maximum aggregation: 6784 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 14748 Unique aggregates announced from the ARIN address blocks: 7579 ARIN Region origin ASes present in the Internet Routing Table: 1256 ARIN Prefixes per ASN: 11.74 ARIN Region origin ASes announcing only one prefix: 440 ARIN Region transit ASes present in the Internet Routing Table: 159 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 211 Number of ARIN addresses announced to Internet: 129934833 Equivalent to 7 /8s, 190 /16s and 165 /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, 393216-402332 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: 3610 Total RIPE prefixes after maximum aggregation: 2881 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3784 Unique aggregates announced from the RIPE address blocks: 3164 RIPE Region origin ASes present in the Internet Routing Table: 674 RIPE Prefixes per ASN: 5.61 RIPE Region origin ASes announcing only one prefix: 301 RIPE Region transit ASes present in the Internet Routing Table: 100 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 151 Number of RIPE addresses announced to Internet: 57689232 Equivalent to 3 /8s, 112 /16s and 68 /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 196608-216475 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: 1457 Total LACNIC prefixes after maximum aggregation: 634 LACNIC Deaggregation factor: 2.30 Prefixes being announced from the LACNIC address blocks: 1462 Unique aggregates announced from the LACNIC address blocks: 802 LACNIC Region origin ASes present in the Internet Routing Table: 154 LACNIC Prefixes per ASN: 9.49 LACNIC Region origin ASes announcing only one prefix: 48 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59 Number of LACNIC addresses announced to Internet: 4249183 Equivalent to 0 /8s, 64 /16s and 214 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 867 Total AfriNIC prefixes after maximum aggregation: 151 AfriNIC Deaggregation factor: 5.74 Prefixes being announced from the AfriNIC address blocks: 870 Unique aggregates announced from the AfriNIC address blocks: 202 AfriNIC Region origin ASes present in the Internet Routing Table: 32 AfriNIC Prefixes per ASN: 27.19 AfriNIC Region origin ASes announcing only one prefix: 17 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 13 Number of AfriNIC addresses announced to Internet: 2416384 Equivalent to 0 /8s, 36 /16s and 223 /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 601 2162 465 SINET-AS Research Organization of Infor 7497 440 180 24 CSTNET-AS-AP Computer Network Informati 1237 192 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Re 55824 130 19 18 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 9411 82 16 2 NONTRINET-AS-AP Kasetsart University, T 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2763 3638 409 GOOGLE-CLOUD-PLATFORM, US 16509 2189 1717 950 AMAZON-02, US 14618 920 4166 700 AMAZON-AES, US 15169 820 1997 61 GOOGLE, US 376 203 162 152 RISQ-AS, CA 5786 192 16 1 UPRENET, PR 2920 177 34 7 LACOE, US 36492 165 12 38 GOOGLEWIFI, US 270 162 345 88 AS270, US 2152 150 507 94 CSUNET-NW, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 786 187 1767 184 JANET Jisc Services Limited, GB 8895 159 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 27 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 74 26 64 RUNNET, RU Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 156 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 117 25 55 Red Universitaria Nacional, CL 27947 117 0 89 Telconet S.A, EC 271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 48 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 36 4 3 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 380 319 71 TENET-1, ZA 36914 255 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 46 16 1 MoRENet, MZ 37215 36 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37654 14 1 8 RwEdNet-AS, RW 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2763 3638 409 GOOGLE-CLOUD-PLATFORM, US 16509 2189 1717 950 AMAZON-02, US 14618 920 4166 700 AMAZON-AES, US 15169 820 1997 61 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 440 180 24 CSTNET-AS-AP Computer Network Informati 2018 380 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 36914 255 82 3 KENET-AS, KE 376 203 162 152 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 2189 1239 AMAZON-02, US 15169 820 759 GOOGLE, US 7497 440 416 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 36914 255 252 KENET-AS, KE 14618 920 220 AMAZON-AES, US 5786 192 191 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 177 170 LACOE, US 8895 159 154 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 170.39.88.0/24 Origin: 14618 AMAZON-AES, US 170.39.88.0/24 Transit: 16509 AMAZON-02, US 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US 199.91.149.0/24 Origin: 14618 AMAZON-AES, US 199.91.149.0/24 Transit: 16509 AMAZON-02, US 204.153.219.0/24 Origin: 14618 AMAZON-AES, US 204.153.219.0/24 Transit: 16509 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /10:1 /11:4 /12:19 /13:35 /14:81 /15:160 /16:2107 /17:510 /18:502 /19:737 /20:2801 /21:1058 /22:1662 /23:1745 /24:13740 /25:75 /26:51 /27:67 /28:21 /29:78 /30:31 /31:38 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 324 2189 AMAZON-02, US 14618 303 920 AMAZON-AES, US 15169 275 820 GOOGLE, US 36914 242 255 KENET-AS, KE 396982 222 2763 GOOGLE-CLOUD-PLATFORM, US 8895 154 159 ISU Internet Services Unit ISU, SA 27947 92 117 Telconet S.A, EC 32440 84 118 LONI, US 23024 51 108 OCDE, US 327700 40 46 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:88 5:21 8:28 12:1 13:45 14:91 15:71 16:112 18:68 23:109 24:3 31:3 34:23 35:48 36:1 38:10 40:5 41:202 42:10 43:2 44:7 45:56 46:11 47:1 49:9 50:5 52:551 54:163 59:19 60:6 61:3 62:9 63:36 64:160 65:15 66:85 67:64 68:15 69:42 70:44 71:3 72:11 74:151 75:1 76:47 77:13 78:3 79:10 80:13 81:26 82:7 83:7 84:7 85:45 86:5 87:3 88:1 89:21 91:61 92:5 93:5 94:2 95:2 96:7 97:1 98:10 99:47 101:2 102:7 103:296 104:226 107:34 108:105 109:12 114:32 115:1 116:10 117:62 118:34 119:21 121:11 122:8 123:8 124:41 125:5 128:88 129:43 130:139 131:65 132:66 133:157 134:108 135:3 136:292 137:66 138:58 139:17 140:41 141:6 142:263 143:24 144:40 145:3 146:145 147:75 148:203 149:17 150:42 151:19 152:138 153:14 154:32 155:75 156:142 157:29 158:42 159:152 160:30 161:30 162:101 163:66 164:24 165:67 166:1 167:20 168:156 169:10 170:155 171:1 172:113 173:116 174:2 175:18 176:10 177:5 178:2 179:6 180:15 182:1 184:6 185:108 186:3 187:17 188:18 189:3 190:2 191:13 192:1517 193:280 194:127 195:71 196:154 197:118 198:482 199:312 200:247 201:34 202:612 203:430 204:381 205:155 206:213 207:235 208:148 209:176 210:190 211:14 212:165 213:17 216:193 217:13 218:22 219:5 220:17 222:2 223:14 End of report