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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Feb 14 22:46:34 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Fri 14 Feb, 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:                             1027212
    Prefixes after maximum aggregation (per Origin AS):          376861
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      475188
Total ASes present in the Internet Routing Table:                 76725
    Prefixes per ASN:                                             13.39
Origin-only ASes present in the Internet Routing Table:           66041
Origin ASes announcing only one prefix:                           26263
Transit ASes present in the Internet Routing Table:               10684
Transit-only ASes present in the Internet Routing Table:            530
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:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1105
    Number of instances of unregistered ASNs:                      1112
Number of 32-bit ASNs allocated by the RIRs:                      46132
Number of 32-bit ASNs visible in the Routing Table:               37857
Prefixes from 32-bit ASNs in the Routing Table:                  210097
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            514
Number of addresses announced to Internet:                   3115418277
    Equivalent to 185 /8s, 177 /16s and 130 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      347000

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

Prefixes being announced by APNIC Region ASes:                   265464
    Total APNIC prefixes after maximum aggregation:               76988
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          256899
    Unique aggregates announced from the APNIC address blocks:   102876
APNIC Region origin ASes present in the Internet Routing Table:   14548
    APNIC Prefixes per ASN:                                       17.66
APNIC Region origin ASes announcing only one prefix:               4428
APNIC Region transit ASes present in the Internet Routing Table:   1932
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:  10013
Number of APNIC addresses announced to Internet:              755833408
    Equivalent to 45 /8s, 13 /16s and 26 /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, 131072-155961
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:                    293639
    Total ARIN prefixes after maximum aggregation:               128966
    ARIN Deaggregation factor:                                     2.28
Prefixes being announced from the ARIN address blocks:           294982
    Unique aggregates announced from the ARIN address blocks:    135225
ARIN Region origin ASes present in the Internet Routing Table:    19236
    ARIN Prefixes per ASN:                                        15.33
ARIN Region origin ASes announcing only one prefix:                7005
ARIN Region transit ASes present in the Internet Routing Table:    1922
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5148
Number of ARIN addresses announced to Internet:              1343974976
    Equivalent to 80 /8s, 27 /16s and 110 /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:                    289687
    Total RIPE prefixes after maximum aggregation:               133893
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           286741
    Unique aggregates announced from the RIPE address blocks:    172336
RIPE Region origin ASes present in the Internet Routing Table:    28903
    RIPE Prefixes per ASN:                                         9.92
RIPE Region origin ASes announcing only one prefix:               12016
RIPE Region transit ASes present in the Internet Routing Table:    3844
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          26
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12280
Number of RIPE addresses announced to Internet:               732766757
    Equivalent to 43 /8s, 173 /16s and 34 /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:                  138528
    Total LACNIC prefixes after maximum aggregation:              29377
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135880
    Unique aggregates announced from the LACNIC address blocks:   49090
LACNIC Region origin ASes present in the Internet Routing Table:  11215
    LACNIC Prefixes per ASN:                                      12.12
LACNIC Region origin ASes announcing only one prefix:              2160
LACNIC Region transit ASes present in the Internet Routing Table:  2463
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9149
Number of LACNIC addresses announced to Internet:             178014976
    Equivalent to 10 /8s, 156 /16s and 75 /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:                  38789
    Total AfriNIC prefixes after maximum aggregation:              6951
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         52194
    Unique aggregates announced from the AfriNIC address blocks:  15241
AfriNIC Region origin ASes present in the Internet Routing Table:  1906
    AfriNIC Prefixes per ASN:                                     27.38
AfriNIC Region origin ASes announcing only one prefix:              654
AfriNIC Region transit ASes present in the Internet Routing Table:  360
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: 1267
Number of AfriNIC addresses announced to Internet:            104564480
    Equivalent to 6 /8s, 59 /16s and 135 /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       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4194      78  ERX-CERNET-BKB China Education and Resear
  9498        4232        530     275  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4223        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3918       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2836        852     532  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       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       12740      38949    3729  AMAZON-02, US
   174        5549       8759     899  COGENT-174, US
 11492        4702        312     561  CABLEONE, US
  7155        4170        286      83  VIASAT-SP-BACKBONE, US
  6327        3623       1320      81  SHAW, CA
 22773        3387       3049     185  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3037       1303    2208  AKAMAI-AS, US
396982        2926       3660     449  GOOGLE-CLOUD-PLATFORM, US
 30036        2589        360     263  MEDIACOM-ENTERPRISE-BUSINESS, 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        9671       1285    1320  TTNET, TR
 12479        7761       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4018       3396     143  AKAMAI-ASN1, NL
  9009        3773        324    1923  M247, RO
 12389        2995       2303     894  ROSTELECOM-AS, RU
 34984        2414        363     573  TELLCOM-AS, TR
212238        2009        145    1486  CDNEXT, GB
  8452        1916       1852      14  TE-AS TE-AS, EG
  5384        1799        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       12026       3248     700  UNINET, MX
 10620        3543        492     950  Telmex Colombia S.A., CO
 13999        2518        539     365  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1592       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 28202        1130         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1112        371      22  Telefonica del Peru S.A.A., PE
 22884        1078         98     374  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        1684        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 29571        1544         97     101  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        1002        521      42  Vodafone-, EG
 37069         843       1083      15  MOBINIL, EG
  6713         556       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       12740      38949    3729  AMAZON-02, US
  8151       12026       3248     700  UNINET, MX
  9808       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9671       1285    1320  TTNET, TR
 12479        7761       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5549       8759     899  COGENT-174, US
  4538        5037       4194      78  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4702        312     561  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       12026        11326  UNINET, MX
  9808       10337        10247  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9671         8351  TTNET, TR
 12479        7761         7616  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037         4959  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5549         4650  COGENT-174, US
 18403        4223         4198  FPT-AS-AP FPT Telecom Company, VN
 11492        4702         4141  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
172.22.139.0/24            8151  UNINET, MX
172.22.243.0/24            8151  UNINET, MX
192.88.99.0/24             6939  HURRICANE, US

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
23.134.124.0/24      Origin:     19468  VALEX, US
23.134.124.0/24     Transit:     29802  HVC-AS, US
23.134.164.0/24      Origin:    399291  FIBERNETPR-ASN, PR
23.134.164.0/24     Transit:     21559  OSNET, PR
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

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      /12:307     
/13:588     /14:1235    /15:2204    /16:14094   /17:8563    /18:14254   
/19:25444   /20:46150   /21:54903   /22:116126  /23:110007  /24:629870  
/25:599     /26:594     /27:1056    /28:78      /29:106     /30:23      
/31:2       /32:841     

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

   ASN  No of nets  Total ann.  Description
 47331        8757        9671  TTNET, TR
 12479        6718        7761  UNI2-AS, ES
  8151        6186       12026  UNINET, MX
 11492        3556        4702  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3623  SHAW, CA
  7155        3119        4170  VIASAT-SP-BACKBONE, US
 22773        2522        3387  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2272       12740  AMAZON-02, US
 30036        2249        2589  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      2:1599      3:570       4:25        5:4826      6:165    
   7:6         8:1650      9:1        10:1        11:172      12:1387   
  13:348      14:2547     15:350      16:270      17:361      18:917    
  20:460      21:4        22:188      23:7370     24:2780     25:2      
  27:2741     29:19       31:3211     32:57       34:82       35:205    
  36:2436     37:4740     38:9994     39:897      40:153      41:4663   
  42:1928     43:2589     44:350      45:19875    46:5056     47:294    
  49:2003     50:1896     51:589      52:1602     54:300      55:1049   
  56:9        57:251      58:2322     59:1260     60:1166     61:3103   
  62:3037     63:1847     64:5550     65:2223     66:4731     67:3091   
  68:1124     69:4023     70:1132     71:619      72:2938     74:2818   
  75:1644     76:616      77:2754     78:4230     79:1743     80:2254   
  81:2202     82:2520     83:1453     84:1816     85:4268     86:1029   
  87:2433     88:3423     89:4486     90:760      91:8452     92:2831   
  93:2888     94:3993     95:5429     96:1346     97:317      98:983    
  99:738     100:71      101:1397    102:4206    103:32604   104:4684   
 105:2229    106:1018    107:2628    108:1209    109:4140    110:2269   
 111:3393    112:2071    113:1811    114:1958    115:2264    116:2104   
 117:2748    118:2857    119:2014    120:1904    121:1433    122:2893   
 123:2303    124:1683    125:2913    126:94      128:1690    129:1039   
 130:1315    131:2012    132:908     133:450     134:1536    135:371    
 136:1340    137:1173    138:3257    139:1604    140:1564    141:1496   
 142:1873    143:1717    144:1070    145:473     146:2173    147:2069   
 148:2614    149:2913    150:1230    151:1673    152:2141    153:574    
 154:8157    155:1616    156:3499    157:1916    158:1255    159:2429   
 160:3668    161:2004    162:3713    163:1831    164:1726    165:2209   
 166:1366    167:1910    168:4395    169:817     170:5515    171:1007   
 172:4299    173:3276    174:918     175:1291    176:3730    177:6143   
 178:3923    179:2731    180:2639    181:4161    182:3376    183:2035   
 184:2271    185:21772   186:5686    187:4968    188:4353    189:4579   
 190:9922    191:2074    192:11229   193:9437    194:7861    195:5636   
 196:3474    197:3990    198:6228    199:8368    200:8715    201:6565   
 202:10894   203:10816   204:4597    205:3736    206:4703    207:3626   
 208:4213    209:5256    210:4874    211:2637    212:4622    213:3871   
 214:1053    215:42      216:6679    217:3182    218:1396    219:555    
 220:2118    221:1056    222:849     223:2328   

End of report


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