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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Aug 24 22:41:37 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 24 Aug, 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:                              984620
    Prefixes after maximum aggregation (per Origin AS):          359631
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      453572
Total ASes present in the Internet Routing Table:                 75112
    Prefixes per ASN:                                             13.11
Origin-only ASes present in the Internet Routing Table:           64610
Origin ASes announcing only one prefix:                           25851
Transit ASes present in the Internet Routing Table:               10502
Transit-only ASes present in the Internet Routing Table:            445
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:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1273
    Number of instances of unregistered ASNs:                      1276
Number of 32-bit ASNs allocated by the RIRs:                      42500
Number of 32-bit ASNs visible in the Routing Table:               35190
Prefixes from 32-bit ASNs in the Routing Table:                  183956
Number of bogon 32-bit ASNs visible in the Routing Table:           197
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            694
Number of addresses announced to Internet:                   3062045610
    Equivalent to 182 /8s, 131 /16s and 27 /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:      338309

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

Prefixes being announced by APNIC Region ASes:                   257359
    Total APNIC prefixes after maximum aggregation:               71592
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          250844
    Unique aggregates announced from the APNIC address blocks:    98882
APNIC Region origin ASes present in the Internet Routing Table:   13713
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4008
APNIC Region transit ASes present in the Internet Routing Table:   1834
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9000
Number of APNIC addresses announced to Internet:              774965088
    Equivalent to 46 /8s, 49 /16s and 7 /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:                    282535
    Total ARIN prefixes after maximum aggregation:               125832
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284075
    Unique aggregates announced from the ARIN address blocks:    131418
ARIN Region origin ASes present in the Internet Routing Table:    19167
    ARIN Prefixes per ASN:                                        14.82
ARIN Region origin ASes announcing only one prefix:                6966
ARIN Region transit ASes present in the Internet Routing Table:    1868
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:    4840
Number of ARIN addresses announced to Internet:              1281455680
    Equivalent to 76 /8s, 97 /16s and 118 /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:                    280770
    Total RIPE prefixes after maximum aggregation:               126679
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           276625
    Unique aggregates announced from the RIPE address blocks:    160433
RIPE Region origin ASes present in the Internet Routing Table:    28533
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12003
RIPE Region transit ASes present in the Internet Routing Table:    3913
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11369
Number of RIPE addresses announced to Internet:               717492446
    Equivalent to 42 /8s, 196 /16s and 16 /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:                  128444
    Total LACNIC prefixes after maximum aggregation:              28768
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127802
    Unique aggregates announced from the LACNIC address blocks:   49648
LACNIC Region origin ASes present in the Internet Routing Table:  11039
    LACNIC Prefixes per ASN:                                      11.58
LACNIC Region origin ASes announcing only one prefix:              2294
LACNIC Region transit ASes present in the Internet Routing Table:  2359
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8848
Number of LACNIC addresses announced to Internet:             178757664
    Equivalent to 10 /8s, 167 /16s and 160 /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:                  34239
    Total AfriNIC prefixes after maximum aggregation:              5968
    AfriNIC Deaggregation factor:                                  5.74
Prefixes being announced from the AfriNIC address blocks:         44579
    Unique aggregates announced from the AfriNIC address blocks:  12593
AfriNIC Region origin ASes present in the Internet Routing Table:  1790
    AfriNIC Prefixes per ASN:                                     24.90
AfriNIC Region origin ASes announcing only one prefix:              580
AfriNIC Region transit ASes present in the Internet Routing Table:  340
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       41
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1133
Number of AfriNIC addresses announced to Internet:            108864512
    Equivalent to 6 /8s, 125 /16s and 36 /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        9666       8904     100  CHINAMOBILE-CN China Mobile Communicati
  7545        5720        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4352        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3733       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3110        498     253  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2499        847     403  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        8924      10963    3204  AMAZON-02, US
 11492        4530        300     625  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
 22773        3702       3064     325  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3635       6656     620  COGENT-174, US
  6327        3527       1319      66  SHAW, CA
 16625        3175       1535    2353  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        3001       3831    1421  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        8353       1149    3205  TTNET, TR
 12479        7359       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4173       3399     187  AKAMAI-ASN1, NL
  8551        3471        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3009       2298     926  ROSTELECOM-AS, RU
  9009        2712        250    1401  M247, RO
  5384        2488        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2462       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       11750       3360     606  UNINET, MX
 10620        3543        507     834  Telmex Colombia S.A., CO
 13999        2448        365     643  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1317       2324     227  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
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1121         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1116        181     435  Techtel LMDS Comunicaciones Interactiva

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        1517        533      27  RAYA-AS, EG
 36992        1359       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         531         82       3  KENET-AS, KE
 15399         512         53      42  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       11750       3360     606  UNINET, MX
  9808        9666       8904     100  CHINAMOBILE-CN China Mobile Communicati
 16509        8924      10963    3204  AMAZON-02, US
 47331        8353       1149    3205  TTNET, TR
 12479        7359       1713     145  UNI2-AS, ES
  7545        5720        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4530        300     625  CABLEONE, US
 18403        4352        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        9666         9566  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7359         7214  UNI2-AS, ES
 16509        8924         5720  AMAZON-02, US
 47331        8353         5148  TTNET, TR
  7545        5720         5031  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4994         4918  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4352         4327  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 45899        4049         3996  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
23.176.160.0/24      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     /14:1212    /15:2156    /16:13729   /17:8589    /18:14818   
/19:25885   /20:46180   /21:54988   /22:114823  /23:107998  /24:590190  
/25:494     /26:617     /27:1036    /28:76      /29:101     /30:26      
/31:22      /32:629     

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

   ASN  No of nets  Total ann.  Description
 47331        7482        8353  TTNET, TR
 12479        6444        7359  UNI2-AS, ES
  8151        5756       11750  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3439        4530  CABLEONE, US
  6327        3337        3527  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2938        3471  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2733        3702  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2165        2509  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2288      2:1532      3:230       4:8         5:4814      6:138    
   7:6         8:1636      9:1        11:172      12:1518     13:376    
  14:2406     15:302      16:198      17:380      18:608      20:303    
  21:4        22:188      23:6496     24:3050     25:6        27:2646   
  29:19       31:2688     32:97       34:26       35:120      36:2016   
  37:4756     38:6290     39:872      40:148      41:4864     42:2114   
  43:2464     44:330      45:17615    46:4515     47:408      49:1819   
  50:1909     51:595      52:1634     54:395      55:979      56:8      
  57:131      58:1969     59:1203     60:1003     61:2699     62:2855   
  63:1966     64:5793     65:2403     66:5154     67:3095     68:1360   
  69:4187     70:1413     71:700      72:3080     74:2690     75:1617   
  76:624      77:2600     78:3941     79:3031     80:2189     81:2085   
  82:1584     83:1356     84:1561     85:3830     86:872      87:2271   
  88:2855     89:3937     90:621      91:8021     92:2169     93:2655   
  94:3736     95:5096     96:1343     97:324      98:1133     99:736    
 100:123     101:1362    102:3368    103:32915   104:4638    105:2009   
 106:961     107:2616    108:1146    109:4367    110:2185    111:3184   
 112:2149    113:1814    114:1673    115:2152    116:1966    117:2595   
 118:2764    119:2090    120:1872    121:1201    122:2752    123:2262   
 124:1665    125:2568    128:1557    129:1142    130:1091    131:2084   
 132:964     133:420     134:1800    135:354     136:922     137:993    
 138:2852    139:1687    140:1271    141:1323    142:1515    143:1592   
 144:1017    145:344     146:2009    147:1635    148:2495    149:2216   
 150:914     151:1245    152:1999    153:588     154:5122    155:1412   
 156:1986    157:1358    158:1094    159:2251    160:2721    161:1626   
 162:3585    163:1664    164:1771    165:1922    166:1055    167:1760   
 168:4085    169:959     170:4901    171:925     172:3697    173:3019   
 174:1005    175:1264    176:3959    177:5573    178:3594    179:2454   
 180:2621    181:3584    182:3453    183:2047    184:2336    185:20969  
 186:5107    187:4556    188:4360    189:4102    190:9487    191:1861   
 192:11065   193:9044    194:7571    195:5484    196:3705    197:3099   
 198:6093    199:6131    200:8219    201:6262    202:11067   203:10651  
 204:4627    205:3730    206:4418    207:3547    208:4242    209:5015   
 210:4724    211:2660    212:4397    213:3752    214:1097    215:60     
 216:6909    217:3042    218:1328    219:622     220:2046    221:980    
 222:859     223:2198   

End of report


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