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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Feb 15 22:46:39 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Sat 15 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:                             1027322
    Prefixes after maximum aggregation (per Origin AS):          376842
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      475007
Total ASes present in the Internet Routing Table:                 76701
    Prefixes per ASN:                                             13.39
Origin-only ASes present in the Internet Routing Table:           66041
Origin ASes announcing only one prefix:                           26249
Transit ASes present in the Internet Routing Table:               10660
Transit-only ASes present in the Internet Routing Table:            528
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:              1097
    Number of instances of unregistered ASNs:                      1104
Number of 32-bit ASNs allocated by the RIRs:                      46137
Number of 32-bit ASNs visible in the Routing Table:               37830
Prefixes from 32-bit ASNs in the Routing Table:                  210005
Number of bogon 32-bit ASNs visible in the Routing Table:            72
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            509
Number of addresses announced to Internet:                   3115045029
    Equivalent to 185 /8s, 171 /16s and 208 /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:      347235

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

Prefixes being announced by APNIC Region ASes:                   265291
    Total APNIC prefixes after maximum aggregation:               76951
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          256649
    Unique aggregates announced from the APNIC address blocks:   102664
APNIC Region origin ASes present in the Internet Routing Table:   14520
    APNIC Prefixes per ASN:                                       17.68
APNIC Region origin ASes announcing only one prefix:               4423
APNIC Region transit ASes present in the Internet Routing Table:   1925
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:   9983
Number of APNIC addresses announced to Internet:              755757632
    Equivalent to 45 /8s, 11 /16s and 242 /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:                    293645
    Total ARIN prefixes after maximum aggregation:               129042
    ARIN Deaggregation factor:                                     2.28
Prefixes being announced from the ARIN address blocks:           294951
    Unique aggregates announced from the ARIN address blocks:    135214
ARIN Region origin ASes present in the Internet Routing Table:    19234
    ARIN Prefixes per ASN:                                        15.33
ARIN Region origin ASes announcing only one prefix:                7008
ARIN Region transit ASes present in the Internet Routing Table:    1915
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:    5149
Number of ARIN addresses announced to Internet:              1343562560
    Equivalent to 80 /8s, 21 /16s and 35 /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:                    289669
    Total RIPE prefixes after maximum aggregation:               133863
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           286749
    Unique aggregates announced from the RIPE address blocks:    172361
RIPE Region origin ASes present in the Internet Routing Table:    28905
    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:    3836
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:   12277
Number of RIPE addresses announced to Internet:               732811301
    Equivalent to 43 /8s, 173 /16s and 208 /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:                  138461
    Total LACNIC prefixes after maximum aggregation:              29366
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135805
    Unique aggregates announced from the LACNIC address blocks:   49099
LACNIC Region origin ASes present in the Internet Routing Table:  11210
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2156
LACNIC Region transit ASes present in the Internet Routing Table:  2460
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:  9145
Number of LACNIC addresses announced to Internet:             177984256
    Equivalent to 10 /8s, 155 /16s and 211 /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:                  39159
    Total AfriNIC prefixes after maximum aggregation:              6937
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         52657
    Unique aggregates announced from the AfriNIC address blocks:  15254
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     27.47
AfriNIC Region origin ASes announcing only one prefix:              646
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: 1276
Number of AfriNIC addresses announced to Internet:            104666880
    Equivalent to 6 /8s, 61 /16s and 23 /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        5038       4194      78  ERX-CERNET-BKB China Education and Resear
  9498        4236        530     275  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4226        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        3265       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2833        851     535  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       12744      38948    3740  AMAZON-02, US
   174        5552       8759     900  COGENT-174, US
 11492        4702        312     561  CABLEONE, US
  7155        4170        286      83  VIASAT-SP-BACKBONE, US
  6327        3623       1320      81  SHAW, CA
 22773        3388       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3048       1308    2213  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        9672       1285    1316  TTNET, TR
 12479        7763       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4024       3396     143  AKAMAI-ASN1, NL
  9009        3772        324    1923  M247, RO
 12389        2995       2303     894  ROSTELECOM-AS, RU
 34984        2414        364     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       12030       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,
 28202        1131         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
  6147        1110        371      21  Telefonica del Peru S.A.A., PE
 22884        1076         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        1647        389      16  LINKdotNET-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 29571        1548         98     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         555       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       12744      38948    3740  AMAZON-02, US
  8151       12030       3248     700  UNINET, MX
  9808       10337       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9672       1285    1316  TTNET, TR
 12479        7763       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5552       8759     900  COGENT-174, US
  4538        5038       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       12030        11330  UNINET, MX
  9808       10337        10247  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9672         8356  TTNET, TR
 12479        7763         7618  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038         4960  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5552         4652  COGENT-174, US
 18403        4226         4201  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
23.134.164.0/24      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
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, 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     
/13:587     /14:1235    /15:2203    /16:14095   /17:8565    /18:14259   
/19:25436   /20:46150   /21:54890   /22:116133  /23:109987  /24:630012  
/25:599     /26:594     /27:1054    /28:78      /29:104     /30:23      
/31:2       /32:841     

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

   ASN  No of nets  Total ann.  Description
 47331        8757        9672  TTNET, TR
 12479        6720        7763  UNI2-AS, ES
  8151        6190       12030  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        3388  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2273       12744  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        5:4828      6:165    
   7:6         8:1650      9:1        10:1        11:172      12:1385   
  13:348      14:2544     15:348      16:272      17:361      18:917    
  20:460      21:4        22:188      23:7375     24:2781     25:2      
  27:2770     29:19       31:3211     32:56       34:82       35:205    
  36:2434     37:4742     38:9992     39:897      40:153      41:4779   
  42:1931     43:2578     44:350      45:19851    46:5055     47:294    
  49:1994     50:1896     51:589      52:1601     54:300      55:1095   
  56:9        57:251      58:2321     59:1260     60:1166     61:3102   
  62:3043     63:1847     64:5552     65:2220     66:4730     67:3093   
  68:1124     69:4018     70:1132     71:619      72:2938     74:2815   
  75:1642     76:616      77:2751     78:4231     79:1745     80:2254   
  81:2200     82:2525     83:1454     84:1817     85:4269     86:1030   
  87:2432     88:3424     89:4473     90:760      91:8452     92:2826   
  93:2889     94:3992     95:5427     96:1346     97:317      98:983    
  99:737     100:71      101:1395    102:4298    103:32488   104:4696   
 105:2229    106:994     107:2628    108:1209    109:4141    110:2264   
 111:3399    112:2071    113:1812    114:1959    115:2260    116:2097   
 117:2748    118:2857    119:2014    120:1900    121:1434    122:2892   
 123:2302    124:1683    125:2913    126:94      128:1687    129:1039   
 130:1313    131:2013    132:912     133:450     134:1528    135:371    
 136:1322    137:1170    138:3258    139:1599    140:1564    141:1491   
 142:1877    143:1711    144:1066    145:474     146:2174    147:2069   
 148:2614    149:2931    150:1220    151:1677    152:2138    153:574    
 154:8193    155:1617    156:3586    157:1904    158:1252    159:2428   
 160:3662    161:1941    162:3714    163:1832    164:1748    165:2205   
 166:1364    167:1907    168:4390    169:821     170:5504    171:1007   
 172:4306    173:3278    174:918     175:1290    176:3731    177:6159   
 178:3922    179:2733    180:2639    181:4162    182:3376    183:2035   
 184:2270    185:21778   186:5689    187:4986    188:4351    189:4583   
 190:9921    191:2083    192:11219   193:9440    194:7859    195:5640   
 196:3547    197:3984    198:6230    199:8366    200:8718    201:6567   
 202:10853   203:10803   204:4597    205:3735    206:4701    207:3618   
 208:4212    209:5252    210:4876    211:2637    212:4626    213:3877   
 214:1042    215:42      216:6680    217:3182    218:1393    219:555    
 220:2117    221:1055    222:848     223:2327   

End of report


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