[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 2 22:41:33 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 02 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:                              987843
    Prefixes after maximum aggregation (per Origin AS):          360320
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      453981
Total ASes present in the Internet Routing Table:                 75229
    Prefixes per ASN:                                             13.13
Origin-only ASes present in the Internet Routing Table:           64761
Origin ASes announcing only one prefix:                           25831
Transit ASes present in the Internet Routing Table:               10468
Transit-only ASes present in the Internet Routing Table:            450
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                     133
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1315
    Number of instances of unregistered ASNs:                      1317
Number of 32-bit ASNs allocated by the RIRs:                      42572
Number of 32-bit ASNs visible in the Routing Table:               35273
Prefixes from 32-bit ASNs in the Routing Table:                  184855
Number of bogon 32-bit ASNs visible in the Routing Table:           205
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            696
Number of addresses announced to Internet:                   3062958986
    Equivalent to 182 /8s, 145 /16s and 11 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    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:      339509

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

Prefixes being announced by APNIC Region ASes:                   257784
    Total APNIC prefixes after maximum aggregation:               71669
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          251288
    Unique aggregates announced from the APNIC address blocks:    98969
APNIC Region origin ASes present in the Internet Routing Table:   13733
    APNIC Prefixes per ASN:                                       18.30
APNIC Region origin ASes announcing only one prefix:               4013
APNIC Region transit ASes present in the Internet Routing Table:   1842
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9023
Number of APNIC addresses announced to Internet:              774890048
    Equivalent to 46 /8s, 47 /16s and 226 /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:                    283769
    Total ARIN prefixes after maximum aggregation:               126059
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285316
    Unique aggregates announced from the ARIN address blocks:    131755
ARIN Region origin ASes present in the Internet Routing Table:    19180
    ARIN Prefixes per ASN:                                        14.88
ARIN Region origin ASes announcing only one prefix:                6955
ARIN Region transit ASes present in the Internet Routing Table:    1895
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4850
Number of ARIN addresses announced to Internet:              1281871168
    Equivalent to 76 /8s, 103 /16s and 205 /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:                    281542
    Total RIPE prefixes after maximum aggregation:               127057
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           277365
    Unique aggregates announced from the RIPE address blocks:    160757
RIPE Region origin ASes present in the Internet Routing Table:    28571
    RIPE Prefixes per ASN:                                         9.71
RIPE Region origin ASes announcing only one prefix:               12017
RIPE Region transit ASes present in the Internet Routing Table:    3865
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11396
Number of RIPE addresses announced to Internet:               717949662
    Equivalent to 42 /8s, 203 /16s and 10 /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:                  129031
    Total LACNIC prefixes after maximum aggregation:              28737
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128371
    Unique aggregates announced from the LACNIC address blocks:   49268
LACNIC Region origin ASes present in the Internet Routing Table:  11054
    LACNIC Prefixes per ASN:                                      11.61
LACNIC Region origin ASes announcing only one prefix:              2261
LACNIC Region transit ASes present in the Internet Routing Table:  2368
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8863
Number of LACNIC addresses announced to Internet:             178819872
    Equivalent to 10 /8s, 168 /16s and 147 /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:                  34402
    Total AfriNIC prefixes after maximum aggregation:              5985
    AfriNIC Deaggregation factor:                                  5.75
Prefixes being announced from the AfriNIC address blocks:         44806
    Unique aggregates announced from the AfriNIC address blocks:  12635
AfriNIC Region origin ASes present in the Internet Routing Table:  1802
    AfriNIC Prefixes per ASN:                                     24.86
AfriNIC Region origin ASes announcing only one prefix:              585
AfriNIC Region transit ASes present in the Internet Routing Table:  330
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                      133
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1141
Number of AfriNIC addresses announced to Internet:            108885504
    Equivalent to 6 /8s, 125 /16s and 118 /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        9685       8904     100  CHINAMOBILE-CN China Mobile Communicati
  7545        5741        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4353        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3743       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3129        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2500        847     397  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      11270     588  KIXS-AS-KR Korea Telecom, KR

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        9143      11005    3186  AMAZON-02, US
 11492        4532        301     626  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3865       6654     617  COGENT-174, US
 22773        3696       3064     325  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3534       1319      66  SHAW, CA
 16625        3174       1535    2352  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        3001       3838    1416  DNIC-ASBLK-00306-00371, US
396982        2690       3596     388  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        8375       1152    3185  TTNET, TR
 12479        7367       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4183       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3010       2298     926  ROSTELECOM-AS, RU
  9009        2709        250    1393  M247, RO
  5384        2505        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2465       1852      16  TE-AS TE-AS, EG
 34984        2380        366     587  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       11838       3366     606  UNINET, MX
 10620        3545        507     834  Telmex Colombia S.A., CO
 13999        2461        366     645  Mega Cable, S.A. de C.V., MX
 11830        1999        369      64  Instituto Costarricense de Electricidad
 28573        1318       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1124        182     433  Techtel LMDS Comunicaciones Interactiva
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1121         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        1894        319      45  Telkom-Internet, ZA
 24863        1594        393      19  LINKdotNET-AS, EG
 24835        1523        533      27  RAYA-AS, EG
 36992        1360       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         931        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         532         82       3  KENET-AS, KE
 15399         526         54      47  WANANCHI-, 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       11838       3366     606  UNINET, MX
  9808        9685       8904     100  CHINAMOBILE-CN China Mobile Communicati
 16509        9143      11005    3186  AMAZON-02, US
 47331        8375       1152    3185  TTNET, TR
 12479        7367       1713     145  UNI2-AS, ES
  7545        5741        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4532        301     626  CABLEONE, US
 18403        4353        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        9685         9585  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7367         7222  UNI2-AS, ES
 16509        9143         5957  AMAZON-02, US
 47331        8375         5190  TTNET, TR
  7545        5741         5052  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004         4929  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4353         4328  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 20940        4183         3998  AKAMAI-ASN1, NL

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              3356  LEVEL3, 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:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

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      /10:39      /11:102     /12:300     
/13:579     /14:1213    /15:2158    /16:13732   /17:8605    /18:14828   
/19:25916   /20:46268   /21:55142   /22:115207  /23:108390  /24:592274  
/25:488     /26:621     /27:1054    /28:79      /29:101     /30:26      
/31:22      /32:668     

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

   ASN  No of nets  Total ann.  Description
 47331        7502        8375  TTNET, TR
 12479        6452        7367  UNI2-AS, ES
  8151        5818       11838  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3441        4532  CABLEONE, US
  6327        3344        3534  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2727        3696  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2169        2513  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2287      2:1551      3:256       4:8         5:4838      6:138    
   7:6         8:1633      9:1        11:172      12:1522     13:386    
  14:2416     15:302      16:198      17:380      18:638      20:304    
  21:4        22:188      23:6512     24:3058     25:6        27:2657   
  29:19       31:2692     32:98       34:26       35:120      36:2012   
  37:4762     38:6356     39:878      40:148      41:4865     42:2127   
  43:2463     44:330      45:17710    46:4532     47:395      49:1820   
  50:1917     51:596      52:1634     54:396      55:980      56:8      
  57:131      58:1976     59:1209     60:1006     61:2714     62:2857   
  63:1975     64:5814     65:2406     66:5161     67:3113     68:1366   
  69:4198     70:1413     71:702      72:3085     74:2693     75:1617   
  76:625      77:2598     78:3948     79:3040     80:2192     81:2093   
  82:1587     83:1361     84:1567     85:3843     86:873      87:2291   
  88:2862     89:3966     90:622      91:8040     92:2173     93:2679   
  94:3751     95:5096     96:1345     97:328      98:1134     99:736    
 100:123     101:1367    102:3416    103:32960   104:4653    105:2018   
 106:961     107:2629    108:1161    109:4366    110:2203    111:3188   
 112:2151    113:1818    114:1675    115:2163    116:1965    117:2603   
 118:2768    119:2098    120:1881    121:1203    122:2758    123:2262   
 124:1669    125:2588    128:1567    129:1145    130:1095    131:2092   
 132:962     133:418     134:1803    135:355     136:927     137:994    
 138:2843    139:1694    140:1283    141:1340    142:1518    143:1583   
 144:1019    145:349     146:2017    147:1635    148:2499    149:2263   
 150:916     151:1257    152:2010    153:590     154:5238    155:1431   
 156:2015    157:1366    158:1097    159:2253    160:2720    161:1629   
 162:3584    163:1666    164:1781    165:1934    166:1070    167:1762   
 168:4086    169:961     170:4962    171:932     172:3731    173:3022   
 174:1006    175:1266    176:3978    177:5577    178:3607    179:2465   
 180:2629    181:3609    182:3455    183:2050    184:2338    185:21043  
 186:5114    187:4609    188:4367    189:4124    190:9530    191:1864   
 192:11100   193:9072    194:7589    195:5509    196:3709    197:3102   
 198:6097    199:6177    200:8261    201:6275    202:11088   203:10646  
 204:4642    205:3762    206:4423    207:3555    208:4270    209:5036   
 210:4732    211:2635    212:4412    213:3764    214:1099    215:60     
 216:6949    217:3047    218:1330    219:617     220:2047    221:988    
 222:859     223:2199   

End of report


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