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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Jan 26 22:46:13 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Sun 26 Jan, 2025

  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:                             1030741
    Prefixes after maximum aggregation (per Origin AS):          375928
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      472939
Total ASes present in the Internet Routing Table:                 76701
    Prefixes per ASN:                                             13.44
Origin-only ASes present in the Internet Routing Table:           66043
Origin ASes announcing only one prefix:                           26242
Transit ASes present in the Internet Routing Table:               10658
Transit-only ASes present in the Internet Routing Table:            520
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.2
    Max AS path length visible:                                     104
    Max AS path prepend of ASN (269289)                             101
Prefixes from unregistered ASNs in the Routing Table:              1140
    Number of instances of unregistered ASNs:                      1147
Number of 32-bit ASNs allocated by the RIRs:                      46075
Number of 32-bit ASNs visible in the Routing Table:               37764
Prefixes from 32-bit ASNs in the Routing Table:                  209538
Number of bogon 32-bit ASNs visible in the Routing Table:            80
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            549
Number of addresses announced to Internet:                   3122048891
    Equivalent to 186 /8s, 22 /16s and 175 /24s
    Percentage of available address space announced:               84.3
    Percentage of allocated address space announced:               84.3
    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:      347002

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

Prefixes being announced by APNIC Region ASes:                   266414
    Total APNIC prefixes after maximum aggregation:               76966
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257903
    Unique aggregates announced from the APNIC address blocks:   102536
APNIC Region origin ASes present in the Internet Routing Table:   14527
    APNIC Prefixes per ASN:                                       17.75
APNIC Region origin ASes announcing only one prefix:               4423
APNIC Region transit ASes present in the Internet Routing Table:   1936
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9988
Number of APNIC addresses announced to Internet:              760658496
    Equivalent to 45 /8s, 86 /16s and 186 /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:                    296900
    Total ARIN prefixes after maximum aggregation:               128770
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           298236
    Unique aggregates announced from the ARIN address blocks:    134425
ARIN Region origin ASes present in the Internet Routing Table:    19237
    ARIN Prefixes per ASN:                                        15.50
ARIN Region origin ASes announcing only one prefix:                6997
ARIN Region transit ASes present in the Internet Routing Table:    1913
Average ARIN Region AS path length visible:                         2.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5126
Number of ARIN addresses announced to Internet:              1345410246
    Equivalent to 80 /8s, 49 /16s and 84 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    289146
    Total RIPE prefixes after maximum aggregation:               133362
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           285950
    Unique aggregates announced from the RIPE address blocks:    171372
RIPE Region origin ASes present in the Internet Routing Table:    28902
    RIPE Prefixes per ASN:                                         9.89
RIPE Region origin ASes announcing only one prefix:               12033
RIPE Region transit ASes present in the Internet Routing Table:    3817
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12245
Number of RIPE addresses announced to Internet:               733492773
    Equivalent to 43 /8s, 184 /16s and 54 /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,
                        53/8,  57/8,  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:                  138660
    Total LACNIC prefixes after maximum aggregation:              29318
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         136115
    Unique aggregates announced from the LACNIC address blocks:   48964
LACNIC Region origin ASes present in the Internet Routing Table:  11200
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2147
LACNIC Region transit ASes present in the Internet Routing Table:  2478
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                       104
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9132
Number of LACNIC addresses announced to Internet:             177522560
    Equivalent to 10 /8s, 148 /16s and 199 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                  38481
    Total AfriNIC prefixes after maximum aggregation:              6810
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         51986
    Unique aggregates announced from the AfriNIC address blocks:  15197
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     27.16
AfriNIC Region origin ASes announcing only one prefix:              642
AfriNIC Region transit ASes present in the Internet Routing Table:  361
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273
Number of AfriNIC addresses announced to Internet:            104699392
    Equivalent to 6 /8s, 61 /16s and 150 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10400       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6203        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4207        347      24  FPT-AS-AP FPT Telecom Company, VN
  9498        4165        529     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3902       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3678       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2829        850     546  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       12630      38871    3722  AMAZON-02, US
   174        6136       8761     888  COGENT-174, US
 11492        4696        312     551  CABLEONE, US
  7155        4176        287      86  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3413       3049     187  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
  2152        3180        508     130  CENIC-2152, US
 16625        3017       1306    2197  AKAMAI-AS, US
396982        2907       3657     445  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        9656       1283    1342  TTNET, TR
 12479        7725       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4028       3396     141  AKAMAI-ASN1, NL
  9009        3771        323    1914  M247, RO
 12389        2990       2303     890  ROSTELECOM-AS, RU
 34984        2418        364     573  TELLCOM-AS, TR
  8452        1950       1852      14  TE-AS TE-AS, EG
212238        1905        136    1405  CDNEXT, GB
  5384        1790        585      30  EMIRATES-INTERNET Emirates Internet, AE

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       11931       3225     704  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2515        539     366  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1579       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1137        374     163  Axtel, S.A.B. de C.V., MX
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1109        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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
 24835        1682        601      30  RAYA-AS, EG
 24863        1648        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1546         97     106  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1288        199     339  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1018        523      45  Vodafone-, EG
 37069         839       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA

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
 16509       12630      38871    3722  AMAZON-02, US
  8151       11931       3225     704  UNINET, MX
  9808       10400       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9656       1283    1342  TTNET, TR
 12479        7725       1711     144  UNI2-AS, ES
  7545        6203        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6136       8761     888  COGENT-174, US
  4538        5035       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4696        312     551  CABLEONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11931        11227  UNINET, MX
  9808       10400        10275  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9656         8314  TTNET, TR
 12479        7725         7581  UNI2-AS, ES
  7545        6203         5540  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6136         5248  COGENT-174, US
  4538        5035         4958  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4207         4183  FPT-AS-AP FPT Telecom Company, VN
 11492        4696         4145  CABLEONE, US

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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
100.80.0.0/24             60478  KSYS, CH
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:      3257  GTT-BACKBONE GTT, US

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

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

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:93      /12:310     
/13:591     /14:1240    /15:2214    /16:14136   /17:8570    /18:14719   
/19:25613   /20:46328   /21:55148   /22:116418  /23:110343  /24:628741  
/25:654     /26:652     /27:1190    /28:220     /29:379     /30:249     
/31:1264    /32:1594    

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

   ASN  No of nets  Total ann.  Description
 47331        8741        9656  TTNET, TR
 12479        6686        7725  UNI2-AS, ES
  8151        6097       11931  UNINET, MX
 11492        3555        4696  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3124        4176  VIASAT-SP-BACKBONE, US
 22773        2545        3413  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2248       12630  AMAZON-02, US
 30036        2233        2572  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2331      2:1647      3:565       4:25        5:4876      6:164    
   7:6         8:1638      9:1        10:1        11:172      12:1390   
  13:349      14:2534     15:340      16:270      17:362      18:906    
  20:460      21:4        22:188      23:7323     24:2781     25:2      
  27:2771     29:19       31:3181     32:56       34:74       35:189    
  36:2433     37:4686     38:10472    39:897      40:155      41:4726   
  42:1930     43:2577     44:348      45:19815    46:5033     47:296    
  49:2004     50:1887     51:589      52:1604     54:307      55:1086   
  56:9        57:246      58:2303     59:1256     60:1161     61:2988   
  62:3034     63:1853     64:5558     65:2228     66:4729     67:3085   
  68:1188     69:4065     70:1125     71:616      72:2940     74:2811   
  75:1642     76:634      77:2731     78:4228     79:1752     80:2254   
  81:2222     82:2086     83:1460     84:1823     85:4214     86:1007   
  87:2452     88:3424     89:4492     90:756      91:8464     92:2803   
  93:2921     94:3927     95:5394     96:1291     97:317      98:991    
  99:737     100:72      101:1400    102:4155    103:32640   104:4668   
 105:2170    106:1015    107:2620    108:1199    109:4129    110:2263   
 111:3382    112:2073    113:1805    114:1958    115:2251    116:2063   
 117:2749    118:2869    119:2018    120:1902    121:1431    122:2872   
 123:2191    124:1698    125:2904    126:94      128:1687    129:1037   
 130:1301    131:2033    132:920     133:451     134:1522    135:369    
 136:1347    137:1164    138:3235    139:1605    140:1549    141:1485   
 142:1871    143:1716    144:1040    145:473     146:2160    147:2057   
 148:2596    149:2929    150:1213    151:1629    152:2116    153:574    
 154:8300    155:1563    156:3524    157:1908    158:1259    159:2426   
 160:3635    161:1851    162:3675    163:1808    164:1747    165:2205   
 166:1340    167:1902    168:4407    169:822     170:5514    171:1006   
 172:4160    173:3223    174:919     175:1293    176:3715    177:6277   
 178:3933    179:2695    180:2626    181:4136    182:3374    183:2048   
 184:2279    185:21708   186:5735    187:5046    188:4376    189:4524   
 190:9928    191:2088    192:11302   193:9421    194:7830    195:5614   
 196:3494    197:3887    198:6215    199:8341    200:8704    201:6589   
 202:10874   203:10782   204:4593    205:3704    206:4720    207:3635   
 208:4230    209:5228    210:4860    211:2626    212:4627    213:3872   
 214:1045    215:42      216:6706    217:3174    218:1394    219:555    
 220:2112    221:1054    222:850     223:2329   

End of report


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