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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jan 10 22:42:00 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Fri 10 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:                             1028585
    Prefixes after maximum aggregation (per Origin AS):          374684
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      469719
Total ASes present in the Internet Routing Table:                 76655
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65956
Origin ASes announcing only one prefix:                           26221
Transit ASes present in the Internet Routing Table:               10699
Transit-only ASes present in the Internet Routing Table:            518
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:              1139
    Number of instances of unregistered ASNs:                      1146
Number of 32-bit ASNs allocated by the RIRs:                      46000
Number of 32-bit ASNs visible in the Routing Table:               37683
Prefixes from 32-bit ASNs in the Routing Table:                  208050
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                   13
Prefixes being announced from unallocated address space:            549
Number of addresses announced to Internet:                   3127109226
    Equivalent to 186 /8s, 99 /16s and 230 /24s
    Percentage of available address space announced:               84.5
    Percentage of allocated address space announced:               84.5
    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:      345858

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

Prefixes being announced by APNIC Region ASes:                   266003
    Total APNIC prefixes after maximum aggregation:               76810
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257649
    Unique aggregates announced from the APNIC address blocks:   102274
APNIC Region origin ASes present in the Internet Routing Table:   14520
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4424
APNIC Region transit ASes present in the Internet Routing Table:   1923
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         46
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9967
Number of APNIC addresses announced to Internet:              762532928
    Equivalent to 45 /8s, 115 /16s and 84 /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:                    296650
    Total ARIN prefixes after maximum aggregation:               128444
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           298145
    Unique aggregates announced from the ARIN address blocks:    132462
ARIN Region origin ASes present in the Internet Routing Table:    19219
    ARIN Prefixes per ASN:                                        15.51
ARIN Region origin ASes announcing only one prefix:                6968
ARIN Region transit ASes present in the Internet Routing Table:    1928
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:    5110
Number of ARIN addresses announced to Internet:              1348676550
    Equivalent to 80 /8s, 99 /16s and 43 /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:                    288192
    Total RIPE prefixes after maximum aggregation:               132750
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284992
    Unique aggregates announced from the RIPE address blocks:    170542
RIPE Region origin ASes present in the Internet Routing Table:    28880
    RIPE Prefixes per ASN:                                         9.87
RIPE Region origin ASes announcing only one prefix:               12046
RIPE Region transit ASes present in the Internet Routing Table:    3849
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:   12207
Number of RIPE addresses announced to Internet:               733290260
    Equivalent to 43 /8s, 181 /16s and 31 /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:                  138324
    Total LACNIC prefixes after maximum aggregation:              29261
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         135861
    Unique aggregates announced from the LACNIC address blocks:   48968
LACNIC Region origin ASes present in the Internet Routing Table:  11198
    LACNIC Prefixes per ASN:                                      12.13
LACNIC Region origin ASes announcing only one prefix:              2142
LACNIC Region transit ASes present in the Internet Routing Table:  2476
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:  9126
Number of LACNIC addresses announced to Internet:             177614976
    Equivalent to 10 /8s, 150 /16s and 48 /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:                  38270
    Total AfriNIC prefixes after maximum aggregation:              6712
    AfriNIC Deaggregation factor:                                  5.70
Prefixes being announced from the AfriNIC address blocks:         51387
    Unique aggregates announced from the AfriNIC address blocks:  15025
AfriNIC Region origin ASes present in the Internet Routing Table:  1916
    AfriNIC Prefixes per ASN:                                     26.82
AfriNIC Region origin ASes announcing only one prefix:              641
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: 1273
Number of AfriNIC addresses announced to Internet:            104720896
    Equivalent to 6 /8s, 61 /16s and 234 /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       10296       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6198        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4941       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4331        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4082        525     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3918       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3896       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2820        845     546  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12626      38898    3300  AMAZON-02, US
   174        6218       8762     880  COGENT-174, US
 11492        4693        312     549  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3615       1320      79  SHAW, CA
 22773        3411       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  2152        3155        508     130  CENIC-2152, US
 16625        3034       1312    2193  AKAMAI-AS, US
396982        2895       3656     441  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        7666       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4043       3396     141  AKAMAI-ASN1, NL
  9009        3781        324    1919  M247, RO
 12389        2980       2300     887  ROSTELECOM-AS, RU
 34984        2418        363     569  TELLCOM-AS, TR
  8452        1961       1852      14  TE-AS TE-AS, EG
212238        1875        134    1383  CDNEXT, GB
  5384        1772        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       11860       3246     711  UNINET, MX
 10620        3538        491     953  Telmex Colombia S.A., CO
 13999        2536        538     368  Mega Cable, S.A. de C.V., MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 28573        1575       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        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        1112        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        1669        593      29  RAYA-AS, EG
 24863        1645        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1585        100      68  ORANGE-COTE-IVOIRE, CI
 36992        1427       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1001        521      42  Vodafone-, EG
 37069         832       1083      15  MOBINIL, EG
  6713         558       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       12626      38898    3300  AMAZON-02, US
  8151       11860       3246     711  UNINET, MX
  9808       10296       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9649       1282    1365  TTNET, TR
 12479        7666       1709     143  UNI2-AS, ES
   174        6218       8762     880  COGENT-174, US
  7545        6198        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4941       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4693        312     549  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       11860        11149  UNINET, MX
  9808       10296        10172  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9649         8284  TTNET, TR
 12479        7666         7523  UNI2-AS, ES
  7545        6198         5533  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6218         5338  COGENT-174, US
  4538        4941         4864  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4331         4308  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4144  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     
/13:595     /14:1242    /15:2220    /16:14175   /17:8567    /18:14754   
/19:25657   /20:46336   /21:55166   /22:116378  /23:110286  /24:626560  
/25:648     /26:654     /27:1186    /28:222     /29:379     /30:249     
/31:1250    /32:1581    

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

   ASN  No of nets  Total ann.  Description
 47331        8735        9649  TTNET, TR
 12479        6631        7666  UNI2-AS, ES
  8151        6013       11860  UNINET, MX
 11492        3555        4693  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2544        3411  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2258       12626  AMAZON-02, US
 30036        2231        2570  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2324      2:1665      3:547       4:25        5:4829      6:165    
   7:6         8:1648      9:1        10:1        11:172      12:1392   
  13:358      14:2524     15:334      16:270      17:361      18:906    
  20:459      21:4        22:188      23:7267     24:2777     25:2      
  27:2731     29:19       31:3138     32:56       34:73       35:182    
  36:2425     37:4653     38:10500    39:884      40:155      41:4723   
  42:1990     43:2561     44:346      45:19699    46:5018     47:295    
  49:2023     50:1880     51:587      52:1603     54:307      55:1030   
  56:8        57:245      58:2289     59:1254     60:1160     61:2982   
  62:3021     63:1858     64:5473     65:2237     66:4738     67:3084   
  68:1247     69:4026     70:1128     71:613      72:2939     74:2817   
  75:1638     76:638      77:2719     78:4224     79:1735     80:2263   
  81:2207     82:1889     83:1453     84:1827     85:4212     86:994    
  87:2438     88:3419     89:4462     90:757      91:8452     92:2774   
  93:2863     94:3920     95:5398     96:1266     97:320      98:1010   
  99:733     100:72      101:1393    102:4077    103:32623   104:4581   
 105:2163    106:1015    107:2618    108:1197    109:4118    110:2270   
 111:3363    112:2065    113:1818    114:1951    115:2262    116:2061   
 117:2745    118:2892    119:2025    120:1900    121:1433    122:2871   
 123:2198    124:1691    125:2896    126:62      128:1682    129:1023   
 130:1295    131:2043    132:927     133:450     134:1521    135:368    
 136:1349    137:1166    138:3242    139:1559    140:1540    141:1471   
 142:1857    143:1708    144:1042    145:472     146:2152    147:2046   
 148:2603    149:2927    150:1203    151:1616    152:2144    153:570    
 154:8193    155:1605    156:3414    157:1914    158:1264    159:2444   
 160:3593    161:1830    162:3654    163:1798    164:1751    165:2204   
 166:1345    167:1900    168:4406    169:822     170:5493    171:1005   
 172:4057    173:3200    174:917     175:1287    176:3698    177:6271   
 178:3913    179:2674    180:2623    181:4148    182:3356    183:2079   
 184:2277    185:21655   186:5675    187:4929    188:4381    189:4487   
 190:9905    191:2100    192:11278   193:9376    194:7788    195:5568   
 196:3485    197:3800    198:6173    199:8320    200:8773    201:6538   
 202:10881   203:10735   204:4633    205:3726    206:4719    207:3633   
 208:4230    209:5215    210:4897    211:2625    212:4623    213:3873   
 214:1054    215:48      216:6698    217:3160    218:1391    219:551    
 220:2111    221:1052    222:850     223:2320   

End of report


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