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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jan 18 22:47:15 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Sat 18 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:                             1028958
    Prefixes after maximum aggregation (per Origin AS):          375205
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      472060
Total ASes present in the Internet Routing Table:                 76668
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65987
Origin ASes announcing only one prefix:                           26236
Transit ASes present in the Internet Routing Table:               10681
Transit-only ASes present in the Internet Routing Table:            517
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:                                      53
    Max AS path prepend of ASN (153261)                              50
Prefixes from unregistered ASNs in the Routing Table:              1124
    Number of instances of unregistered ASNs:                      1131
Number of 32-bit ASNs allocated by the RIRs:                      46101
Number of 32-bit ASNs visible in the Routing Table:               37718
Prefixes from 32-bit ASNs in the Routing Table:                  208772
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            547
Number of addresses announced to Internet:                   3124941179
    Equivalent to 186 /8s, 66 /16s and 209 /24s
    Percentage of available address space announced:               84.4
    Percentage of allocated address space announced:               84.4
    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:      346120

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

Prefixes being announced by APNIC Region ASes:                   266071
    Total APNIC prefixes after maximum aggregation:               76786
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257786
    Unique aggregates announced from the APNIC address blocks:   102314
APNIC Region origin ASes present in the Internet Routing Table:   14516
    APNIC Prefixes per ASN:                                       17.76
APNIC Region origin ASes announcing only one prefix:               4421
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:                         53
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9970
Number of APNIC addresses announced to Internet:              762451776
    Equivalent to 45 /8s, 114 /16s and 23 /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:                    296317
    Total ARIN prefixes after maximum aggregation:               128590
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           297791
    Unique aggregates announced from the ARIN address blocks:    134209
ARIN Region origin ASes present in the Internet Routing Table:    19225
    ARIN Prefixes per ASN:                                        15.49
ARIN Region origin ASes announcing only one prefix:                6995
ARIN Region transit ASes present in the Internet Routing Table:    1922
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:    5116
Number of ARIN addresses announced to Internet:              1346632134
    Equivalent to 80 /8s, 67 /16s and 249 /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:                    288593
    Total RIPE prefixes after maximum aggregation:               133082
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           285384
    Unique aggregates announced from the RIPE address blocks:    170981
RIPE Region origin ASes present in the Internet Routing Table:    28890
    RIPE Prefixes per ASN:                                         9.88
RIPE Region origin ASes announcing only one prefix:               12026
RIPE Region transit ASes present in the Internet Routing Table:    3833
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:   12226
Number of RIPE addresses announced to Internet:               733294373
    Equivalent to 43 /8s, 181 /16s and 47 /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:                  138598
    Total LACNIC prefixes after maximum aggregation:              29273
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         136067
    Unique aggregates announced from the LACNIC address blocks:   48998
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:              2154
LACNIC Region transit ASes present in the Internet Routing Table:  2482
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:  9130
Number of LACNIC addresses announced to Internet:             177617536
    Equivalent to 10 /8s, 150 /16s and 58 /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:                  38255
    Total AfriNIC prefixes after maximum aggregation:              6768
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         51381
    Unique aggregates announced from the AfriNIC address blocks:  15114
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     26.79
AfriNIC Region origin ASes announcing only one prefix:              640
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: 1276
Number of AfriNIC addresses announced to Internet:            104681728
    Equivalent to 6 /8s, 61 /16s and 81 /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       10374       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6198        842     664  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4275        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4114        526     280  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3897       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2823        846     547  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       12585      38855    3701  AMAZON-02, US
   174        6122       8763     894  COGENT-174, US
 11492        4696        312     551  CABLEONE, US
  7155        4176        287      86  VIASAT-SP-BACKBONE, US
  6327        3614       1320      81  SHAW, CA
 22773        3412       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  2152        3173        508     130  CENIC-2152, US
 16625        3019       1305    2195  AKAMAI-AS, US
396982        2899       3657     442  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        9649       1282    1365  TTNET, TR
 12479        7648       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4053       3396     141  AKAMAI-ASN1, NL
  9009        3744        321    1904  M247, RO
 12389        2980       2301     888  ROSTELECOM-AS, RU
 34984        2418        364     572  TELLCOM-AS, TR
  8452        1949       1852      14  TE-AS TE-AS, EG
212238        1895        135    1400  CDNEXT, GB
  5384        1792        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       11907       3247     707  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2538        538     368  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1578       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1167        374     163  Axtel, S.A.B. de C.V., MX
 28202        1126         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1111        371      22  Telefonica del Peru S.A.A., PE
 22884        1075         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        1683        601      30  RAYA-AS, EG
 24863        1648        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1541         97     109  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1002        521      42  Vodafone-, EG
 37069         832       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       12585      38855    3701  AMAZON-02, US
  8151       11907       3247     707  UNINET, MX
  9808       10374       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9649       1282    1365  TTNET, TR
 12479        7648       1709     143  UNI2-AS, ES
  7545        6198        842     664  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6122       8763     894  COGENT-174, US
  4538        5037       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      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       11907        11200  UNINET, MX
  9808       10374        10250  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9649         8284  TTNET, TR
 12479        7648         7505  UNI2-AS, ES
  7545        6198         5534  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6122         5228  COGENT-174, US
  4538        5037         4960  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4275         4252  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:     18106  VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG

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      /12:312     
/13:592     /14:1241    /15:2214    /16:14165   /17:8560    /18:14726   
/19:25608   /20:46292   /21:55122   /22:116412  /23:110208  /24:627157  
/25:650     /26:643     /27:1188    /28:223     /29:378     /30:249     
/31:1259    /32:1591    

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

   ASN  No of nets  Total ann.  Description
 47331        8735        9649  TTNET, TR
 12479        6612        7648  UNI2-AS, ES
  8151        6061       11907  UNINET, MX
 11492        3555        4696  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3124        4176  VIASAT-SP-BACKBONE, US
 22773        2545        3412  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2252       12585  AMAZON-02, US
 30036        2239        2578  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2321      2:1678      3:546       4:25        5:4816      6:165    
   7:6         8:1643      9:1        10:1        11:172      12:1391   
  13:354      14:2533     15:335      16:270      17:362      18:904    
  20:460      21:4        22:188      23:7308     24:2780     25:2      
  27:2751     29:19       31:3172     32:56       34:74       35:189    
  36:2430     37:4670     38:10444    39:896      40:154      41:4728   
  42:1966     43:2574     44:348      45:19777    46:5031     47:296    
  49:2022     50:1874     51:587      52:1603     54:307      55:1027   
  56:8        57:245      58:2304     59:1256     60:1160     61:2990   
  62:3029     63:1864     64:5469     65:2230     66:4725     67:3078   
  68:1187     69:4036     70:1126     71:616      72:2940     74:2811   
  75:1641     76:637      77:2728     78:4226     79:1742     80:2257   
  81:2222     82:1944     83:1456     84:1809     85:4205     86:997    
  87:2464     88:3424     89:4469     90:753      91:8453     92:2767   
  93:2894     94:3918     95:5393     96:1271     97:318      98:985    
  99:737     100:72      101:1394    102:4087    103:32622   104:4626   
 105:2164    106:1025    107:2621    108:1197    109:4115    110:2269   
 111:3370    112:2070    113:1812    114:1953    115:2271    116:2063   
 117:2705    118:2881    119:2019    120:1903    121:1434    122:2871   
 123:2187    124:1690    125:2891    126:62      128:1694    129:1023   
 130:1295    131:2027    132:926     133:450     134:1515    135:368    
 136:1346    137:1165    138:3242    139:1581    140:1527    141:1609   
 142:1852    143:1713    144:1037    145:476     146:2158    147:2057   
 148:2603    149:2914    150:1207    151:1642    152:2114    153:569    
 154:8106    155:1555    156:3407    157:1908    158:1261    159:2438   
 160:3615    161:1841    162:3676    163:1800    164:1743    165:2203   
 166:1336    167:1894    168:4404    169:819     170:5510    171:1005   
 172:4058    173:3211    174:919     175:1287    176:3712    177:6323   
 178:3923    179:2694    180:2623    181:4134    182:3365    183:2065   
 184:2278    185:21673   186:5692    187:5030    188:4381    189:4511   
 190:9917    191:2095    192:11292   193:9415    194:7816    195:5596   
 196:3444    197:3802    198:6181    199:8342    200:8785    201:6578   
 202:10863   203:10770   204:4596    205:3724    206:4710    207:3638   
 208:4239    209:5218    210:4890    211:2627    212:4616    213:3868   
 214:1053    215:42      216:6680    217:3160    218:1394    219:551    
 220:2099    221:1055    222:853     223:2320   

End of report


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