Global R&E Routing Table Report 18:35 GMT Sun 10 Oct, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 199842 Prefixes after maximum aggregation (per Origin AS): 55604 Deaggregation factor: 3.59 Unique aggregates announced (without unneeded subnets): 51341 Total ASes present in the Internet Routing Table: 5111 Prefixes per ASN: 39.10 Origin-only ASes present in the Internet Routing Table: 3755 Origin ASes announcing only one prefix: 1042 Transit ASes present in the Internet Routing Table: 1356 Transit-only ASes present in the Internet Routing Table: 820 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 22 Max AS path prepend of ASN ( 43872) 16 Prefixes from unregistered ASNs in the Routing Table: 57 Number of instances of unregistered ASNs: 57 Number of 32-bit ASNs allocated by the RIRs: 37460 Number of 32-bit ASNs visible in the Routing Table: 1241 Prefixes from 32-bit ASNs in the Routing Table: 11415 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 8706 Prefixes being announced from unallocated address space: 95 Number of addresses announced to Internet: 595165696 Equivalent to 35 /8s, 121 /16s and 130 /24s Percentage of available address space announced: 16.1 Percentage of allocated address space announced: 16.1 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: 63886 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55700 Total APNIC prefixes after maximum aggregation: 9187 APNIC Deaggregation factor: 6.06 Prefixes being announced from the APNIC address blocks: 17605 Unique aggregates announced from the APNIC address blocks: 3855 APNIC Region origin ASes present in the Internet Routing Table: 492 APNIC Prefixes per ASN: 35.78 APNIC Region origin ASes announcing only one prefix: 44 APNIC Region transit ASes present in the Internet Routing Table: 194 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 127 Number of APNIC addresses announced to Internet: 60365568 Equivalent to 3 /8s, 153 /16s and 27 /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, 131072-147769 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: 73454 Total ARIN prefixes after maximum aggregation: 24904 ARIN Deaggregation factor: 2.95 Prefixes being announced from the ARIN address blocks: 117388 Unique aggregates announced from the ARIN address blocks: 22205 ARIN Region origin ASes present in the Internet Routing Table: 2198 ARIN Prefixes per ASN: 53.41 ARIN Region origin ASes announcing only one prefix: 795 ARIN Region transit ASes present in the Internet Routing Table: 417 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 546 Number of ARIN addresses announced to Internet: 361869824 Equivalent to 21 /8s, 145 /16s and 178 /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: 64226 Total RIPE prefixes after maximum aggregation: 19586 RIPE Deaggregation factor: 3.28 Prefixes being announced from the RIPE address blocks: 55519 Unique aggregates announced from the RIPE address blocks: 24401 RIPE Region origin ASes present in the Internet Routing Table: 1407 RIPE Prefixes per ASN: 39.46 RIPE Region origin ASes announcing only one prefix: 149 RIPE Region transit ASes present in the Internet Routing Table: 493 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 19 Number of RIPE region 32-bit ASNs visible in the Routing Table: 387 Number of RIPE addresses announced to Internet: 155389440 Equivalent to 9 /8s, 67 /16s and 14 /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: 5191 Total LACNIC prefixes after maximum aggregation: 1484 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 16 Unique aggregates announced from the LACNIC address blocks: 11 LACNIC Region origin ASes present in the Internet Routing Table: 152 LACNIC Prefixes per ASN: 0.11 LACNIC Region origin ASes announcing only one prefix: 50 LACNIC Region transit ASes present in the Internet Routing Table: 123 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 22 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 177 Number of LACNIC addresses announced to Internet: 399616 Equivalent to 0 /8s, 6 /16s and 25 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 1214 Total AfriNIC prefixes after maximum aggregation: 395 AfriNIC Deaggregation factor: 3.07 Prefixes being announced from the AfriNIC address blocks: 513 Unique aggregates announced from the AfriNIC address blocks: 384 AfriNIC Region origin ASes present in the Internet Routing Table: 14 AfriNIC Prefixes per ASN: 36.64 AfriNIC Region origin ASes announcing only one prefix: 4 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 2241536 Equivalent to 0 /8s, 34 /16s and 52 /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 7545 3474 333 109 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 2779 1792 4 VNPT-AS-VN VNPT Corp, VN 4755 1995 321 158 TATACOMM-AS TATA Communications formerl 9583 1574 35 182 SIFY-AS-IN Sify Limited, IN 45090 1493 807 53 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 9498 1443 322 350 BBIL-AP BHARTI Airtel Ltd., IN 9808 1188 4216 44 CMNET-GD Guangdong Mobile Communication 4766 1132 6923 188 KIXS-AS-KR Korea Telecom, KR 23969 1097 183 218 TOT-NET TOT Public Company Limited, TH 7552 1084 1170 41 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 3814 2855 931 AMAZON-02, US 16625 3417 1057 1523 AKAMAI-AS, US 7018 2027 6437 445 ATT-INTERNET4, US 174 1813 5820 327 COGENT-174, US 22773 1808 575 633 ASN-CXA-ALL-CCI-22773-RDC, US 36352 1570 111 240 AS-COLOCROSSING, US 11492 1425 73 634 CABLEONE, US 1239 1380 841 555 SPRINTLINK, US 749 1343 27152 787 DNIC-AS-00749, US 714 1093 4103 5 APPLE-ENGINEERING, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 20940 3258 2023 85 AKAMAI-ASN1, NL 12479 2748 204 289 UNI2-AS, ES 9009 2355 138 690 M247, GB 12389 1759 864 176 ROSTELECOM-AS, RU 61317 1555 122 549 ASDETUK www.heficed.com, GB 34984 1325 123 386 TELLCOM-AS, TR 58224 1222 266 300 TCI, IR 25019 996 575 86 SAUDINETSTC-AS, SA 8551 955 136 16 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 21299 906 52 47 KAR-TEL-AS Almaty, Republic of Kazakhst Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1926 699 465 Uninet S.A. de C.V., MX 13999 665 109 212 Mega Cable, S.A. de C.V., MX 6057 576 500 12 Administracion Nacional de Telecomunica 11664 316 43 140 Techtel LMDS Comunicaciones Interactiva 6503 288 58 141 Axtel, S.A.B. de C.V., MX 14259 158 82 22 Gtd Internet S.A., CL 27747 156 146 6 Telecentro S.A., AR 18809 112 19 92 Cable Onda, PA 7418 96 493 15 TELEFONICA CHILE S.A., CL 4230 94 553 26 CLARO S.A., BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36903 659 331 322 MT-MPLS, MA 37457 415 211 16 Telkom-Internet, ZA 37284 58 10 16 Aljeel-net, LY 10474 54 353 25 OPTINET, ZA 37337 8 1 2 HITS-EG, GQ 37002 5 0 1 Reunicable, RE 327952 4 16 2 AS-NATCOM, NG 328543 3 3 3 sun-asn, SC 23889 2 0 2 MauritiusTelecom, MU 37349 2 0 2 Aptus, TZ Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 3814 2855 931 AMAZON-02, US 7545 3474 333 109 TPG-INTERNET-AP TPG Telecom Limited, AU 16625 3417 1057 1523 AKAMAI-AS, US 20940 3258 2023 85 AKAMAI-ASN1, NL 45899 2779 1792 4 VNPT-AS-VN VNPT Corp, VN 12479 2748 204 289 UNI2-AS, ES 9009 2355 138 690 M247, GB 7018 2027 6437 445 ATT-INTERNET4, US 4755 1995 321 158 TATACOMM-AS TATA Communications formerl 8151 1926 699 465 Uninet S.A. de C.V., MX Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7545 3474 3365 TPG-INTERNET-AP TPG Telecom Limited, AU 20940 3258 3173 AKAMAI-ASN1, NL 45899 2779 2775 VNPT-AS-VN VNPT Corp, VN 12479 2748 2459 UNI2-AS, ES 16625 3417 1894 AKAMAI-AS, US 4755 1995 1837 TATACOMM-AS TATA Communications formerly VSNL i 9009 2355 1665 M247, GB 12389 1759 1583 ROSTELECOM-AS, RU 7018 2027 1582 ATT-INTERNET4, US 174 1813 1486 COGENT-174, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 40544 UNALLOCATED 2.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 2.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 2.19.197.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 2.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 2.37.144.0/24 7018 ATT-INTERNET4, US 13317 UNALLOCATED 2.44.10.0/24 7018 ATT-INTERNET4, US 63305 UNALLOCATED 2.49.58.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 2.68.34.0/24 7018 ATT-INTERNET4, US 31781 UNALLOCATED 2.71.107.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 2.106.212.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 0.0.0.0/11 8075 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.32.176.0/20 50207 ASN-CSC-, NL 0.33.0.0/16 8075 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.34.0.0/15 8070 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.36.0.0/14 8075 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.39.58.0/23 8069 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.40.0.0/13 8075 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.45.128.0/20 8075 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.47.1.0/24 8069 MICROSOFT-CORP-MSN-AS-BLOCK, US 0.47.2.0/24 8069 MICROSOFT-CORP-MSN-AS-BLOCK, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 5.42.200.0/24 Origin: 40676 AS40676, US 5.42.200.0/24 Transit: 3257 GTT-BACKBONE GTT, US 5.42.201.0/24 Origin: 40676 AS40676, US 5.42.201.0/24 Transit: 3257 GTT-BACKBONE GTT, US 5.42.202.0/24 Origin: 40676 AS40676, US 5.42.202.0/24 Transit: 3257 GTT-BACKBONE GTT, US 5.42.203.0/24 Origin: 40676 AS40676, US 5.42.203.0/24 Transit: 3257 GTT-BACKBONE GTT, US 5.42.206.0/24 Origin: 399226 SPEEDFI, CA 5.42.206.0/24 Transit: 174 COGENT-174, US Complete listing at https://bgp.nsrc.org/REN/RENU/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 /8:14 /9:7 /10:25 /11:64 /12:195 /13:377 /14:683 /15:1112 /16:5824 /17:2840 /18:4433 /19:7294 /20:13639 /21:12600 /22:25921 /23:21091 /24:103723 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 9009 1407 2355 M247, GB 16509 1349 3814 AMAZON-02, US 12479 1082 2748 UNI2-AS, ES 22773 1032 1808 ASN-CXA-ALL-CCI-22773-RDC, US 7545 946 3474 TPG-INTERNET-AP TPG Telecom Limited, AU 61317 934 1555 ASDETUK www.heficed.com, GB 9583 890 1574 SIFY-AS-IN Sify Limited, IN 34984 883 1325 TELLCOM-AS, TR 8151 851 1926 Uninet S.A. de C.V., MX 1239 701 1380 SPRINTLINK, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4036 2:6634 3:10981 4:9157 5:6091 6:4062 7:7043 8:3055 9:4557 10:1590 11:1074 12:1305 13:1296 14:707 15:492 16:1388 17:775 18:1005 19:357 20:575 21:595 22:617 23:663 24:489 25:978 28:485 29:82 30:231 31:99 32:48 33:13 34:801 35:34 36:164 37:100 38:226 39:227 40:166 41:258 42:501 43:200 44:213 45:86 46:271 47:191 48:138 49:190 50:109 51:219 52:152 53:48 54:801 55:133 56:399 57:296 58:170 59:397 60:254 61:251 62:591 63:181 64:185 65:241 66:59 67:192 68:244 69:48 70:424 71:134 72:1109 73:580 74:182 75:137 76:914 77:241 78:461 79:58 80:754 81:207 82:686 83:316 84:580 85:3697 86:111 87:295 88:937 89:397 90:350 91:177 92:2073 93:1765 94:1553 95:779 96:380 97:139 98:1051 99:970 End of report