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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Dec 20 22:41:30 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 20 Dec, 2024

  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:                             1025641
    Prefixes after maximum aggregation (per Origin AS):          373137
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      467573
Total ASes present in the Internet Routing Table:                 76679
    Prefixes per ASN:                                             13.38
Origin-only ASes present in the Internet Routing Table:           65619
Origin ASes announcing only one prefix:                           26215
Transit ASes present in the Internet Routing Table:               11060
Transit-only ASes present in the Internet Routing Table:            542
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1117
    Number of instances of unregistered ASNs:                      1124
Number of 32-bit ASNs allocated by the RIRs:                      45985
Number of 32-bit ASNs visible in the Routing Table:               37655
Prefixes from 32-bit ASNs in the Routing Table:                  207081
Number of bogon 32-bit ASNs visible in the Routing Table:            73
Special use prefixes present in the Routing Table:                   14
Prefixes being announced from unallocated address space:            526
Number of addresses announced to Internet:                   3122778489
    Equivalent to 186 /8s, 33 /16s and 209 /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:      345373

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

Prefixes being announced by APNIC Region ASes:                   264950
    Total APNIC prefixes after maximum aggregation:               76275
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257247
    Unique aggregates announced from the APNIC address blocks:   102144
APNIC Region origin ASes present in the Internet Routing Table:   14516
    APNIC Prefixes per ASN:                                       17.72
APNIC Region origin ASes announcing only one prefix:               4419
APNIC Region transit ASes present in the Internet Routing Table:   1964
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9956
Number of APNIC addresses announced to Internet:              761573184
    Equivalent to 45 /8s, 100 /16s and 175 /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:                    296152
    Total ARIN prefixes after maximum aggregation:               127485
    ARIN Deaggregation factor:                                     2.32
Prefixes being announced from the ARIN address blocks:           297701
    Unique aggregates announced from the ARIN address blocks:    131357
ARIN Region origin ASes present in the Internet Routing Table:    19233
    ARIN Prefixes per ASN:                                        15.48
ARIN Region origin ASes announcing only one prefix:                6948
ARIN Region transit ASes present in the Internet Routing Table:    2011
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          39
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5104
Number of ARIN addresses announced to Internet:              1346136774
    Equivalent to 80 /8s, 60 /16s and 106 /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:                    287187
    Total RIPE prefixes after maximum aggregation:               132651
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           283855
    Unique aggregates announced from the RIPE address blocks:    170322
RIPE Region origin ASes present in the Internet Routing Table:    28885
    RIPE Prefixes per ASN:                                         9.83
RIPE Region origin ASes announcing only one prefix:               12063
RIPE Region transit ASes present in the Internet Routing Table:    3982
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12206
Number of RIPE addresses announced to Internet:               732837667
    Equivalent to 43 /8s, 174 /16s and 55 /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:                  138248
    Total LACNIC prefixes after maximum aggregation:              29372
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135810
    Unique aggregates announced from the LACNIC address blocks:   48792
LACNIC Region origin ASes present in the Internet Routing Table:  11188
    LACNIC Prefixes per ASN:                                      12.14
LACNIC Region origin ASes announcing only one prefix:              2143
LACNIC Region transit ASes present in the Internet Routing Table:  2534
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9111
Number of LACNIC addresses announced to Internet:             177573760
    Equivalent to 10 /8s, 149 /16s and 143 /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:                  37987
    Total AfriNIC prefixes after maximum aggregation:              6666
    AfriNIC Deaggregation factor:                                  5.70
Prefixes being announced from the AfriNIC address blocks:         50500
    Unique aggregates announced from the AfriNIC address blocks:  14529
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     26.29
AfriNIC Region origin ASes announcing only one prefix:              642
AfriNIC Region transit ASes present in the Internet Routing Table:  372
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet:            104397312
    Equivalent to 6 /8s, 56 /16s and 250 /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       10164       8923     126  CHINAMOBILE-CN China Mobile Communication
  7545        6192        842     661  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4847       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4471        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4039        523     281  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3896       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2809        841     543  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2236       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       12528      38201    3007  AMAZON-02, US
   174        6176       8764     892  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3421       3052     190  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  7018        3258      23510    2067  ATT-INTERNET4, US
  2152        3172        508     133  CENIC-2152, US
 16625        2989       1302    2180  AKAMAI-AS, 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        9470       1270    1583  TTNET, TR
 12479        7702       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4021       3396     141  AKAMAI-ASN1, NL
  9009        3699        318    1871  M247, RO
 12389        2966       2294     882  ROSTELECOM-AS, RU
 34984        2397        363     567  TELLCOM-AS, TR
  8452        1957       1852      14  TE-AS TE-AS, EG
212238        1834        133    1349  CDNEXT, GB
  5384        1776        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       11792       3246     709  UNINET, MX
 10620        3543        494     942  Telmex Colombia S.A., CO
 13999        2540        541     372  Mega Cable, S.A. de C.V., MX
 11830        1995        369      64  Instituto Costarricense de Electricidad y
 28573        1575       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1170        374     163  Axtel, S.A.B. de C.V., MX
 28202        1121         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1117        371      22  Telefonica del Peru S.A.A., PE
 22884        1070         98     375  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
 24863        1651        389      16  LINKdotNET-AS, EG
 24835        1649        593      29  RAYA-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1464         93      59  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1221        193     304  INTERNET-SOLUTIONS, ZA
 36935         999        520      40  Vodafone-, EG
 37069         845       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       12528      38201    3007  AMAZON-02, US
  8151       11792       3246     709  UNINET, MX
  9808       10164       8923     126  CHINAMOBILE-CN China Mobile Communication
 47331        9470       1270    1583  TTNET, TR
 12479        7702       1709     143  UNI2-AS, ES
  7545        6192        842     661  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6176       8764     892  COGENT-174, US
  4538        4847       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4692        312     552  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       11792        11083  UNINET, MX
  9808       10164        10038  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9470         7887  TTNET, TR
 12479        7702         7559  UNI2-AS, ES
  7545        6192         5531  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6176         5284  COGENT-174, US
  4538        4847         4770  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4471         4448  FPT-AS-AP FPT Telecom Company, VN
 11492        4692         4140  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
     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
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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
100.126.255.172/30        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
100.127.255.192/28        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:      3356  LEVEL3, 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      /12:312     
/13:594     /14:1244    /15:2218    /16:14151   /17:8544    /18:14721   
/19:25645   /20:46292   /21:55096   /22:116168  /23:109856  /24:624437  
/25:651     /26:652     /27:1188    /28:225     /29:380     /30:252     
/31:1259    /32:1588    

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

   ASN  No of nets  Total ann.  Description
 47331        8555        9470  TTNET, TR
 12479        6674        7702  UNI2-AS, ES
  8151        5943       11792  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3409        3614  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2549        3421  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2266       12528  AMAZON-02, US
 30036        2222        2561  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2325      2:1675      3:532       4:25        5:4808      6:165    
   7:6         8:1642      9:2        10:1        11:172      12:1402   
  13:358      14:2508     15:334      16:269      17:362      18:901    
  20:456      21:4        22:188      23:7275     24:2774     25:2      
  27:2734     29:19       31:3124     32:56       34:73       35:181    
  36:2420     37:4636     38:10349    39:882      40:150      41:4724   
  42:2109     43:2547     44:340      45:19539    46:5047     47:300    
  49:2017     50:1882     51:586      52:1606     54:315      55:1035   
  56:8        57:243      58:2301     59:1252     60:1154     61:2974   
  62:2980     63:1854     64:5472     65:2246     66:4742     67:3088   
  68:1303     69:4023     70:1130     71:608      72:2940     74:2817   
  75:1639     76:635      77:2714     78:4227     79:1721     80:2250   
  81:2207     82:1842     83:1441     84:1820     85:4126     86:983    
  87:2441     88:3250     89:4469     90:761      91:8382     92:2758   
  93:2858     94:3919     95:5426     96:1248     97:317      98:1069   
  99:732     100:71      101:1436    102:4046    103:32515   104:4498   
 105:2158    106:1067    107:2620    108:1196    109:4094    110:2278   
 111:3331    112:2065    113:1841    114:1948    115:2258    116:2058   
 117:2688    118:2894    119:2025    120:1894    121:1415    122:2861   
 123:2196    124:1694    125:2874    126:62      128:1676    129:1021   
 130:1301    131:2027    132:918     133:450     134:1514    135:369    
 136:1348    137:1161    138:3255    139:1554    140:1522    141:1455   
 142:1869    143:1716    144:1032    145:413     146:2149    147:2043   
 148:2580    149:2905    150:1168    151:1479    152:2133    153:570    
 154:8016    155:1585    156:2962    157:1899    158:1257    159:2439   
 160:3515    161:1793    162:3637    163:1803    164:1744    165:2202   
 166:1353    167:1898    168:4426    169:820     170:5535    171:1002   
 172:4059    173:3218    174:916     175:1292    176:3672    177:6287   
 178:3901    179:2747    180:2633    181:4126    182:3361    183:2086   
 184:2270    185:21581   186:5654    187:4940    188:4348    189:4528   
 190:9957    191:2110    192:11266   193:9358    194:7785    195:5568   
 196:3434    197:3801    198:6144    199:8319    200:8675    201:6541   
 202:10891   203:10806   204:4677    205:3728    206:4720    207:3635   
 208:4244    209:5197    210:4843    211:2621    212:4597    213:3886   
 214:1049    215:48      216:6683    217:3152    218:1385    219:554    
 220:2111    221:1053    222:850     223:2306   

End of report


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