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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Aug 13 22:41:25 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 13 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:                              976841
    Prefixes after maximum aggregation (per Origin AS):          358060
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      451261
Total ASes present in the Internet Routing Table:                 74935
    Prefixes per ASN:                                             13.04
Origin-only ASes present in the Internet Routing Table:           64215
Origin ASes announcing only one prefix:                           25865
Transit ASes present in the Internet Routing Table:               10720
Transit-only ASes present in the Internet Routing Table:            460
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:                                     132
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1289
    Number of instances of unregistered ASNs:                      1291
Number of 32-bit ASNs allocated by the RIRs:                      42429
Number of 32-bit ASNs visible in the Routing Table:               35055
Prefixes from 32-bit ASNs in the Routing Table:                  181696
Number of bogon 32-bit ASNs visible in the Routing Table:           195
Special use prefixes present in the Routing Table:                   41
Prefixes being announced from unallocated address space:            641
Number of addresses announced to Internet:                   3056718506
    Equivalent to 182 /8s, 49 /16s and 210 /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:      335522

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

Prefixes being announced by APNIC Region ASes:                   255068
    Total APNIC prefixes after maximum aggregation:               70936
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          248723
    Unique aggregates announced from the APNIC address blocks:    97426
APNIC Region origin ASes present in the Internet Routing Table:   13647
    APNIC Prefixes per ASN:                                       18.23
APNIC Region origin ASes announcing only one prefix:               3988
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:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8941
Number of APNIC addresses announced to Internet:              776303968
    Equivalent to 46 /8s, 69 /16s and 117 /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:                    280533
    Total ARIN prefixes after maximum aggregation:               125328
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           282108
    Unique aggregates announced from the ARIN address blocks:    130839
ARIN Region origin ASes present in the Internet Routing Table:    19130
    ARIN Prefixes per ASN:                                        14.75
ARIN Region origin ASes announcing only one prefix:                6953
ARIN Region transit ASes present in the Internet Routing Table:    1965
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:    4831
Number of ARIN addresses announced to Internet:              1276651584
    Equivalent to 76 /8s, 24 /16s and 40 /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:                    278839
    Total RIPE prefixes after maximum aggregation:               126290
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274722
    Unique aggregates announced from the RIPE address blocks:    159971
RIPE Region origin ASes present in the Internet Routing Table:    28477
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12005
RIPE Region transit ASes present in the Internet Routing Table:    4003
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:   11333
Number of RIPE addresses announced to Internet:               717041118
    Equivalent to 42 /8s, 189 /16s and 45 /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:                  127146
    Total LACNIC prefixes after maximum aggregation:              28718
    LACNIC Deaggregation factor:                                   4.43
Prefixes being announced from the LACNIC address blocks:         126561
    Unique aggregates announced from the LACNIC address blocks:   49812
LACNIC Region origin ASes present in the Internet Routing Table:  11015
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2331
LACNIC Region transit ASes present in the Internet Routing Table:  2361
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8824
Number of LACNIC addresses announced to Internet:             178598944
    Equivalent to 10 /8s, 165 /16s and 52 /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:                  33966
    Total AfriNIC prefixes after maximum aggregation:              5988
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         44085
    Unique aggregates announced from the AfriNIC address blocks:  12668
AfriNIC Region origin ASes present in the Internet Routing Table:  1786
    AfriNIC Prefixes per ASN:                                     24.68
AfriNIC Region origin ASes announcing only one prefix:              588
AfriNIC Region transit ASes present in the Internet Routing Table:  338
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                      132
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1126
Number of AfriNIC addresses announced to Internet:            107702272
    Equivalent to 6 /8s, 107 /16s and 104 /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        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5699        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5032       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4243        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3726       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3595       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3076        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2483        843     405  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2312      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        8817      10963    3192  AMAZON-02, US
 11492        4523        300     623  CABLEONE, US
  7155        4198        289     102  VIASAT-SP-BACKBONE, US
 22773        3670       3061     300  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3604       6657     608  COGENT-174, US
  6327        3524       1319      66  SHAW, CA
 16625        3155       1530    2345  AKAMAI-AS, US
   749        3149      54961    2401  DNIC-AS-00749, US
   367        2970       3825    1406  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       1142    3288  TTNET, TR
 12479        7346       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4154       3399     187  AKAMAI-ASN1, NL
  8551        3459        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2986       2294     921  ROSTELECOM-AS, RU
  9009        2678        248    1396  M247, RO
  5384        2493        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2455       1852      15  TE-AS TE-AS, EG
 34984        2370        365     591  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       11644       3360     611  UNINET, MX
 10620        3534        507     832  Telmex Colombia S.A., CO
 13999        2430        362     637  Mega Cable, S.A. de C.V., MX
 11830        1995        369      64  Instituto Costarricense de Electricidad
 28573        1315       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1307        774     171  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1122         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1113        181     434  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        1900        319      50  Telkom-Internet, ZA
 24863        1588        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1356       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
 15399         535         54      49  WANANCHI-, KE
 36914         521         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       11644       3360     611  UNINET, MX
  9808        9536       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8817      10963    3192  AMAZON-02, US
 47331        8284       1142    3288  TTNET, TR
 12479        7346       1713     145  UNI2-AS, ES
  7545        5699        784     688  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5032       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4523        300     623  CABLEONE, US
 18403        4243        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        9536         9493  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7346         7201  UNI2-AS, ES
 16509        8817         5625  AMAZON-02, US
  7545        5699         5011  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8284         4996  TTNET, TR
  4538        5032         4956  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4243         4218  FPT-AS-AP FPT Telecom Company, VN
  7155        4198         4096  VIASAT-SP-BACKBONE, US
 45899        4048         3995  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
     46990  UNALLOCATED  8.5.242.0/23              3356  LEVEL3, 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
     19695  UNALLOCATED  8.20.161.0/24            46887  LIGHTOWER, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, 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
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            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
100.66.10.0/24            65534  -Private Use AS-, ZZ
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US

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     /12:296     
/13:575     /14:1211    /15:2154    /16:13697   /17:8558    /18:14790   
/19:25785   /20:45871   /21:54541   /22:114179  /23:106814  /24:585212  
/25:496     /26:609     /27:1038    /28:76      /29:101     /30:28      
/31:24      /32:613     

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

   ASN  No of nets  Total ann.  Description
 47331        7413        8284  TTNET, TR
 12479        6431        7346  UNI2-AS, ES
  8151        5650       11644  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3432        4523  CABLEONE, US
  6327        3336        3524  SHAW, CA
  7155        3143        4198  VIASAT-SP-BACKBONE, US
  8551        2926        3459  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2710        3670  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2133        2476  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2261      2:1490      3:229       4:8         5:4748      6:134    
   7:6         8:1625      9:1        11:172      12:1517     13:372    
  14:2390     15:302      16:198      17:379      18:593      20:299    
  21:4        22:188      23:6478     24:3040     25:6        27:2624   
  29:19       31:2667     32:97       34:26       35:119      36:1996   
  37:4724     38:6186     39:856      40:148      41:4807     42:2055   
  43:2433     44:322      45:17321    46:4476     47:393      49:1799   
  50:1877     51:585      52:1631     54:391      55:972      56:8      
  57:129      58:1971     59:1193     60:1000     61:2720     62:2829   
  63:1953     64:5767     65:2356     66:5115     67:3075     68:1344   
  69:4139     70:1412     71:697      72:3069     74:2677     75:1610   
  76:621      77:2579     78:3895     79:3016     80:2174     81:2047   
  82:1572     83:1348     84:1556     85:3808     86:868      87:2259   
  88:2839     89:3928     90:621      91:7988     92:2146     93:2627   
  94:3707     95:5075     96:1341     97:324      98:1126     99:735    
 100:121     101:1362    102:3311    103:32537   104:4599    105:2004   
 106:957     107:2574    108:1128    109:4337    110:2179    111:3184   
 112:2129    113:1806    114:1665    115:2132    116:1956    117:2582   
 118:2723    119:2080    120:1837    121:1193    122:2738    123:2230   
 124:1637    125:2532    128:1502    129:1122    130:1072    131:2061   
 132:956     133:422     134:1798    135:354     136:907     137:987    
 138:2806    139:1619    140:1259    141:1343    142:1501    143:1561   
 144:1008    145:340     146:1991    147:1626    148:2476    149:2182   
 150:912     151:1221    152:2007    153:584     154:5007    155:1395   
 156:1939    157:1354    158:1091    159:2241    160:2700    161:1596   
 162:3555    163:1652    164:1764    165:1914    166:1010    167:1748   
 168:4049    169:949     170:4848    171:922     172:3653    173:3001   
 174:1002    175:1230    176:3940    177:5506    178:3564    179:2420   
 180:2590    181:3549    182:3439    183:2027    184:2333    185:20862  
 186:5045    187:4522    188:4324    189:4012    190:9406    191:1856   
 192:11008   193:9010    194:7527    195:5449    196:3677    197:3063   
 198:6070    199:6110    200:8188    201:6220    202:11011   203:10599  
 204:4607    205:3681    206:4387    207:3522    208:4207    209:4994   
 210:4721    211:2614    212:4376    213:3726    214:1094    215:60     
 216:6858    217:3026    218:1328    219:618     220:2042    221:979    
 222:853     223:2194   

End of report


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