[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Sat Sep 30 22:41:54 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 30 Sep, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              983466
    Prefixes after maximum aggregation (per Origin AS):          360360
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453099
Total ASes present in the Internet Routing Table:                 75083
    Prefixes per ASN:                                             13.10
Origin-only ASes present in the Internet Routing Table:           64692
Origin ASes announcing only one prefix:                           25878
Transit ASes present in the Internet Routing Table:               10391
Transit-only ASes present in the Internet Routing Table:            447
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1247
    Number of instances of unregistered ASNs:                      1249
Number of 32-bit ASNs allocated by the RIRs:                      42734
Number of 32-bit ASNs visible in the Routing Table:               35263
Prefixes from 32-bit ASNs in the Routing Table:                  183504
Number of bogon 32-bit ASNs visible in the Routing Table:           226
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            634
Number of addresses announced to Internet:                   3055822955
    Equivalent to 182 /8s, 36 /16s and 40 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      337782

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   258390
    Total APNIC prefixes after maximum aggregation:               72487
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251773
    Unique aggregates announced from the APNIC address blocks:    98711
APNIC Region origin ASes present in the Internet Routing Table:   13762
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4040
APNIC Region transit ASes present in the Internet Routing Table:   1830
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9044
Number of APNIC addresses announced to Internet:              774070432
    Equivalent to 46 /8s, 35 /16s and 96 /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:                    281884
    Total ARIN prefixes after maximum aggregation:               125445
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284908
    Unique aggregates announced from the ARIN address blocks:    131841
ARIN Region origin ASes present in the Internet Routing Table:    19123
    ARIN Prefixes per ASN:                                        14.90
ARIN Region origin ASes announcing only one prefix:                6933
ARIN Region transit ASes present in the Internet Routing Table:    1854
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4832
Number of ARIN addresses announced to Internet:              1278327104
    Equivalent to 76 /8s, 49 /16s and 185 /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:                    280622
    Total RIPE prefixes after maximum aggregation:               127032
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275075
    Unique aggregates announced from the RIPE address blocks:    160061
RIPE Region origin ASes present in the Internet Routing Table:    28490
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12011
RIPE Region transit ASes present in the Internet Routing Table:    3873
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11387
Number of RIPE addresses announced to Internet:               716692447
    Equivalent to 42 /8s, 183 /16s and 219 /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:                  127502
    Total LACNIC prefixes after maximum aggregation:              28623
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         126755
    Unique aggregates announced from the LACNIC address blocks:   49338
LACNIC Region origin ASes present in the Internet Routing Table:  11046
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2304
LACNIC Region transit ASes present in the Internet Routing Table:  2336
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8857
Number of LACNIC addresses announced to Internet:             178501024
    Equivalent to 10 /8s, 163 /16s and 181 /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:                  33821
    Total AfriNIC prefixes after maximum aggregation:              6000
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         44320
    Unique aggregates announced from the AfriNIC address blocks:  12612
AfriNIC Region origin ASes present in the Internet Routing Table:  1799
    AfriNIC Prefixes per ASN:                                     24.64
AfriNIC Region origin ASes announcing only one prefix:              590
AfriNIC Region transit ASes present in the Internet Routing Table:  334
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1143
Number of AfriNIC addresses announced to Internet:            107778048
    Equivalent to 6 /8s, 108 /16s and 144 /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
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5735        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4257        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4028       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3747       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3593       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3192        498     254  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2524        849     381  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9090      10989    3250  AMAZON-02, US
 11492        4532        301     673  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3945       6666     635  COGENT-174, US
 22773        3653       3061     311  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3065       1435    2316  AKAMAI-AS, US
   367        3001       3835    1415  DNIC-ASBLK-00306-00371, US
396982        2697       3597     393  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8583       1173    2983  TTNET, TR
 12479        7389       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4139       3399     185  AKAMAI-ASN1, NL
  8551        3445        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3026       2298     925  ROSTELECOM-AS, RU
  9009        2912        265    1489  M247, RO
  8452        2502       1852      16  TE-AS TE-AS, EG
  5384        2455        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        363     588  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11887       3385     605  UNINET, MX
 10620        3542        506     852  Telmex Colombia S.A., CO
 13999        2407        331     621  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1328       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  3816        1296        766     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 11664        1105        179     427  Techtel LMDS Comunicaciones Interactiva
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1885        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1045         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         528         55      49  WANANCHI-, KE
 36914         517         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11887       3385     605  UNINET, MX
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9090      10989    3250  AMAZON-02, US
 47331        8583       1173    2983  TTNET, TR
 12479        7389       1713     145  UNI2-AS, ES
  7545        5735        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4532        301     673  CABLEONE, US
 18403        4257        347      25  FPT-AS-AP FPT Telecom Company, VN

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9614         9515  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7389         7244  UNI2-AS, ES
 16509        9090         5840  AMAZON-02, US
 47331        8583         5600  TTNET, TR
  7545        5735         5037  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020         4945  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4257         4232  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 45899        4028         3977  VNPT-AS-VN VNPT Corp, VN

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.162.200.0/24      Origin:     62563  AS-GLOBALTELEHOST, CA
23.162.200.0/24     Transit:       174  COGENT-174, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:101     /12:300     
/13:581     /14:1211    /15:2148    /16:13681   /17:8575    /18:14801   
/19:25821   /20:45832   /21:54612   /22:114578  /23:107332  /24:588893  
/25:1130    /26:1082    /27:1485    /28:155     /29:233     /30:86      
/31:90      /32:670     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 47331        7704        8583  TTNET, TR
 12479        6476        7389  UNI2-AS, ES
  8151        5887       11887  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3444        4532  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2921        3445  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2692        3653  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2496  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2268      2:1564      3:266       4:8         5:4645      6:137    
   7:6         8:1614      9:1        11:172      12:1519     13:368    
  14:2414     15:304      16:200      17:375      18:658      20:310    
  21:4        22:188      23:6514     24:2926     25:2        27:2669   
  29:19       31:2686     32:94       34:26       35:119      36:2016   
  37:4639     38:6498     39:872      40:145      41:4817     42:2084   
  43:2407     44:327      45:17482    46:4480     47:379      49:1842   
  50:1909     51:590      52:1627     54:393      55:969      56:5      
  57:132      58:1945     59:1208     60:1009     61:2730     62:2818   
  63:1947     64:5857     65:2406     66:5167     67:3107     68:1362   
  69:4184     70:1403     71:685      72:3034     74:2668     75:1609   
  76:636      77:2443     78:4025     79:3017     80:2156     81:2074   
  82:1579     83:1373     84:1590     85:3913     86:875      87:2275   
  88:2905     89:3974     90:623      91:7979     92:2144     93:2650   
  94:3702     95:5125     96:1338     97:319      98:1124     99:731    
 100:123     101:1332    102:3237    103:32782   104:4762    105:2000   
 106:986     107:2712    108:1151    109:4331    110:2195    111:3186   
 112:2131    113:1810    114:1704    115:2181    116:1956    117:2574   
 118:2760    119:2071    120:1860    121:1236    122:2764    123:2285   
 124:1660    125:2601    128:1544    129:1015    130:1088    131:2084   
 132:973     133:408     134:1793    135:349     136:976     137:987    
 138:2814    139:1675    140:1296    141:1329    142:1543    143:1618   
 144:1018    145:351     146:1994    147:1626    148:2522    149:2344   
 150:919     151:1249    152:1999    153:593     154:5381    155:1402   
 156:2048    157:1376    158:1065    159:2259    160:2708    161:1620   
 162:3586    163:1670    164:1766    165:1917    166:1079    167:1759   
 168:3953    169:902     170:4915    171:945     172:3795    173:3005   
 174:993     175:1256    176:3943    177:5399    178:3568    179:2466   
 180:2621    181:3569    182:3404    183:2035    184:2290    185:20967  
 186:5015    187:4548    188:4358    189:4164    190:9472    191:1842   
 192:11041   193:9026    194:7541    195:5488    196:3626    197:3031   
 198:6073    199:6170    200:8222    201:6227    202:10954   203:10577  
 204:4623    205:3745    206:4463    207:3563    208:4202    209:4975   
 210:4734    211:2640    212:4395    213:3532    214:1112    215:70     
 216:6867    217:3036    218:1329    219:609     220:2042    221:986    
 222:857     223:2181   

End of report


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