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

REN Routing Table Report cscora at frr.nsrc.org
Tue Aug 8 22:41:55 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 08 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:                              977548
    Prefixes after maximum aggregation (per Origin AS):          358025
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      451268
Total ASes present in the Internet Routing Table:                 74930
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           64299
Origin ASes announcing only one prefix:                           25859
Transit ASes present in the Internet Routing Table:               10631
Transit-only ASes present in the Internet Routing Table:            461
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     129
    Max AS path prepend of ASN ( 37447)                             127
Prefixes from unregistered ASNs in the Routing Table:              1287
    Number of instances of unregistered ASNs:                      1289
Number of 32-bit ASNs allocated by the RIRs:                      42399
Number of 32-bit ASNs visible in the Routing Table:               35040
Prefixes from 32-bit ASNs in the Routing Table:                  181964
Number of bogon 32-bit ASNs visible in the Routing Table:           201
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            673
Number of addresses announced to Internet:                   3057523370
    Equivalent to 182 /8s, 62 /16s and 26 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    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:      335874

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

Prefixes being announced by APNIC Region ASes:                   255172
    Total APNIC prefixes after maximum aggregation:               70968
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          248837
    Unique aggregates announced from the APNIC address blocks:    97529
APNIC Region origin ASes present in the Internet Routing Table:   13650
    APNIC Prefixes per ASN:                                       18.23
APNIC Region origin ASes announcing only one prefix:               3981
APNIC Region transit ASes present in the Internet Routing Table:   1814
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8938
Number of APNIC addresses announced to Internet:              776462176
    Equivalent to 46 /8s, 71 /16s and 223 /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:                    280787
    Total ARIN prefixes after maximum aggregation:               125362
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           282224
    Unique aggregates announced from the ARIN address blocks:    130961
ARIN Region origin ASes present in the Internet Routing Table:    19137
    ARIN Prefixes per ASN:                                        14.75
ARIN Region origin ASes announcing only one prefix:                6961
ARIN Region transit ASes present in the Internet Routing Table:    1922
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4826
Number of ARIN addresses announced to Internet:              1277586496
    Equivalent to 76 /8s, 38 /16s and 108 /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:                    279154
    Total RIPE prefixes after maximum aggregation:               126280
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275091
    Unique aggregates announced from the RIPE address blocks:    159925
RIPE Region origin ASes present in the Internet Routing Table:    28477
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12016
RIPE Region transit ASes present in the Internet Routing Table:    3992
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11336
Number of RIPE addresses announced to Internet:               716988126
    Equivalent to 42 /8s, 188 /16s and 94 /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:                  127385
    Total LACNIC prefixes after maximum aggregation:              28634
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         126820
    Unique aggregates announced from the LACNIC address blocks:   49608
LACNIC Region origin ASes present in the Internet Routing Table:  11013
    LACNIC Prefixes per ASN:                                      11.52
LACNIC Region origin ASes announcing only one prefix:              2317
LACNIC Region transit ASes present in the Internet Routing Table:  2348
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8817
Number of LACNIC addresses announced to Internet:             178358560
    Equivalent to 10 /8s, 161 /16s and 137 /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:                  33763
    Total AfriNIC prefixes after maximum aggregation:              5979
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         43902
    Unique aggregates announced from the AfriNIC address blocks:  12672
AfriNIC Region origin ASes present in the Internet Routing Table:  1781
    AfriNIC Prefixes per ASN:                                     24.65
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  337
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                      129
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1123
Number of AfriNIC addresses announced to Internet:            107712256
    Equivalent to 6 /8s, 107 /16s and 143 /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        9534       8707      42  CHINAMOBILE-CN China Mobile Communicati
  7545        5691        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4251        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4065       1873      51  VNPT-AS-VN VNPT Corp, VN
  7552        3726       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3593       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3068        498     250  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2487        844     411  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        8864      10944    3170  AMAZON-02, US
 11492        4523        300     623  CABLEONE, US
  7155        4198        289     102  VIASAT-SP-BACKBONE, US
 22773        3665       3059     297  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3602       6657     615  COGENT-174, US
  6327        3527       1319      66  SHAW, CA
 16625        3174       1542    2360  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        2974       3825    1410  DNIC-ASBLK-00306-00371, US
396982        2684       3596     387  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        8284       1141    3289  TTNET, TR
 12479        7335       1707     142  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4151       3400     191  AKAMAI-ASN1, NL
  8551        3465        369      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2983       2294     920  ROSTELECOM-AS, RU
  9009        2679        248    1395  M247, RO
  5384        2493        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2455       1852      15  TE-AS TE-AS, EG
 34984        2371        365     592  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       11796       3377     610  UNINET, MX
 10620        3533        507     831  Telmex Colombia S.A., CO
 13999        2423        361     635  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1315       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1305        774     175  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
 11664        1103        179     435  Techtel LMDS Comunicaciones Interactiva
 26615        1038       2500      48  TIM 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        1900        319      50  Telkom-Internet, ZA
 24863        1587        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1357       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         550       1861      34  IAM-AS, MA
 36914         525         82       3  KENET-AS, KE
 37342         512         32       1  MOVITEL, MZ

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       11796       3377     610  UNINET, MX
  9808        9534       8707      42  CHINAMOBILE-CN China Mobile Communicati
 16509        8864      10944    3170  AMAZON-02, US
 47331        8284       1141    3289  TTNET, TR
 12479        7335       1707     142  UNI2-AS, ES
  7545        5691        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4523        300     623  CABLEONE, US
 18403        4251        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        9534         9492  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7335         7193  UNI2-AS, ES
 16509        8864         5694  AMAZON-02, US
  7545        5691         5003  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8284         4995  TTNET, TR
  4538        5007         4932  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4251         4226  FPT-AS-AP FPT Telecom Company, VN
  7155        4198         4096  VIASAT-SP-BACKBONE, US
 45899        4065         4014  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
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     19695  UNALLOCATED  8.20.161.0/24             7015  COMCAST-7015, 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
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      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        /8:17       /9:14      /10:39      /11:102     /12:297     
/13:575     /14:1212    /15:2156    /16:13671   /17:8533    /18:14774   
/19:25786   /20:45894   /21:54565   /22:114299  /23:107006  /24:585569  
/25:492     /26:616     /27:1035    /28:74      /29:101     /30:28      
/31:24      /32:668     

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

   ASN  No of nets  Total ann.  Description
 47331        7418        8284  TTNET, TR
 12479        6423        7335  UNI2-AS, ES
  8151        5768       11796  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3432        4523  CABLEONE, US
  6327        3337        3527  SHAW, CA
  7155        3143        4198  VIASAT-SP-BACKBONE, US
  8551        2933        3465  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2705        3665  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2497  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2264      2:1486      3:231       4:8         5:4726      6:134    
   7:6         8:1627      9:1        11:172      12:1521     13:382    
  14:2388     15:302      16:197      17:382      18:597      20:297    
  21:4        22:188      23:6459     24:3039     25:6        27:2624   
  29:19       31:2675     32:97       34:26       35:116      36:1999   
  37:4768     38:6206     39:846      40:148      41:4735     42:2033   
  43:2443     44:323      45:17387    46:4495     47:393      49:1798   
  50:1895     51:585      52:1627     54:391      55:884      56:8      
  57:129      58:1973     59:1195     60:999      61:2715     62:2828   
  63:1955     64:5769     65:2356     66:5105     67:3075     68:1344   
  69:4147     70:1412     71:697      72:3066     74:2672     75:1611   
  76:621      77:2593     78:3896     79:3017     80:2164     81:2046   
  82:1573     83:1354     84:1561     85:3808     86:870      87:2273   
  88:2845     89:3970     90:621      91:8000     92:2151     93:2622   
  94:3734     95:5107     96:1345     97:325      98:1128     99:735    
 100:123     101:1362    102:3269    103:32580   104:4607    105:2005   
 106:958     107:2570    108:1112    109:4349    110:2183    111:3177   
 112:2129    113:1804    114:1669    115:2133    116:1946    117:2611   
 118:2723    119:2079    120:1837    121:1187    122:2739    123:2234   
 124:1654    125:2533    128:1511    129:1123    130:1079    131:2068   
 132:951     133:422     134:1800    135:353     136:905     137:985    
 138:2824    139:1617    140:1254    141:1334    142:1502    143:1578   
 144:1008    145:344     146:1996    147:1627    148:2476    149:2259   
 150:912     151:1214    152:2007    153:581     154:4992    155:1396   
 156:1942    157:1354    158:1091    159:2243    160:2691    161:1598   
 162:3556    163:1647    164:1768    165:1932    166:1012    167:1752   
 168:4070    169:948     170:4851    171:918     172:3659    173:3000   
 174:1003    175:1232    176:3906    177:5536    178:3623    179:2432   
 180:2585    181:3543    182:3439    183:2025    184:2331    185:20864  
 186:5049    187:4484    188:4310    189:4106    190:9386    191:1792   
 192:11018   193:9003    194:7528    195:5445    196:3656    197:3044   
 198:6071    199:6119    200:8196    201:6234    202:11008   203:10642  
 204:4611    205:3679    206:4399    207:3508    208:4195    209:5007   
 210:4719    211:2613    212:4376    213:3729    214:1088    215:60     
 216:6890    217:3009    218:1328    219:617     220:2040    221:974    
 222:854     223:2195   

End of report


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