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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Apr 17 22:41:22 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 17 Apr, 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:                              1000801
    Prefixes after maximum aggregation (per Origin AS):          365999
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      460117
Total ASes present in the Internet Routing Table:                 75897
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65039
Origin ASes announcing only one prefix:                           25945
Transit ASes present in the Internet Routing Table:               10858
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:       4.1
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1146
    Number of instances of unregistered ASNs:                      1148
Number of 32-bit ASNs allocated by the RIRs:                      44166
Number of 32-bit ASNs visible in the Routing Table:               36335
Prefixes from 32-bit ASNs in the Routing Table:                  195673
Number of bogon 32-bit ASNs visible in the Routing Table:           170
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            602
Number of addresses announced to Internet:                   3029830836
    Equivalent to 180 /8s, 151 /16s and 140 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      342033

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

Prefixes being announced by APNIC Region ASes:                   260532
    Total APNIC prefixes after maximum aggregation:               74402
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          252687
    Unique aggregates announced from the APNIC address blocks:   100417
APNIC Region origin ASes present in the Internet Routing Table:   14164
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4233
APNIC Region transit ASes present in the Internet Routing Table:   1909
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9518
Number of APNIC addresses announced to Internet:              761075104
    Equivalent to 45 /8s, 93 /16s and 21 /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:                    283931
    Total ARIN prefixes after maximum aggregation:               126274
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288683
    Unique aggregates announced from the ARIN address blocks:    133243
ARIN Region origin ASes present in the Internet Routing Table:    19166
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                6949
ARIN Region transit ASes present in the Internet Routing Table:    1953
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4887
Number of ARIN addresses announced to Internet:              1269315138
    Equivalent to 75 /8s, 168 /16s and 54 /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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                    283809
    Total RIPE prefixes after maximum aggregation:               129343
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           277444
    Unique aggregates announced from the RIPE address blocks:    163445
RIPE Region origin ASes present in the Internet Routing Table:    28691
    RIPE Prefixes per ASN:                                         9.67
RIPE Region origin ASes announcing only one prefix:               12068
RIPE Region transit ASes present in the Internet Routing Table:    3999
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11767
Number of RIPE addresses announced to Internet:               714879090
    Equivalent to 42 /8s, 156 /16s and 48 /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,
                        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:                  136646
    Total LACNIC prefixes after maximum aggregation:              29028
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135039
    Unique aggregates announced from the LACNIC address blocks:   49512
LACNIC Region origin ASes present in the Internet Routing Table:  11093
    LACNIC Prefixes per ASN:                                      12.17
LACNIC Region origin ASes announcing only one prefix:              2090
LACNIC Region transit ASes present in the Internet Routing Table:  2437
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8960
Number of LACNIC addresses announced to Internet:             177269344
    Equivalent to 10 /8s, 144 /16s and 234 /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:                  34737
    Total AfriNIC prefixes after maximum aggregation:              6234
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         46345
    Unique aggregates announced from the AfriNIC address blocks:  13044
AfriNIC Region origin ASes present in the Internet Routing Table:  1835
    AfriNIC Prefixes per ASN:                                     25.26
AfriNIC Region origin ASes announcing only one prefix:              605
AfriNIC Region transit ASes present in the Internet Routing Table:  364
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1203
Number of AfriNIC addresses announced to Internet:            106978304
    Equivalent to 6 /8s, 96 /16s and 92 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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        9878       8744      69  CHINAMOBILE-CN China Mobile Communicati
  7545        5662        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4979       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4589        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3875       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3644       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3595        499     257  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3293       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2778        863     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2492      11258     585  KIXS-AS-KR Korea Telecom, KR

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        9840      11366    3470  AMAZON-02, US
   174        5247       6631     830  COGENT-174, US
 11492        4603        305     604  CABLEONE, US
  7155        4176        288      92  VIASAT-SP-BACKBONE, US
  6327        3605       1320      75  SHAW, CA
 22773        3550       3064     239  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3202      54912    2454  DNIC-AS-00749, US
 16625        3165       1346    2248  AKAMAI-AS, US
   367        2839       3553    1356  DNIC-ASBLK-00306-00371, US
  7018        2783      23648    1780  ATT-INTERNET4, 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        9058       1222    2280  TTNET, TR
 12479        7717       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3947       3396     150  AKAMAI-ASN1, NL
  9009        3291        285    1610  M247, RO
 12389        2953       2301     892  ROSTELECOM-AS, RU
  8551        2631        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2490       1852      14  TE-AS TE-AS, EG
 34984        2395        367     575  TELLCOM-AS, TR

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       12409       3320     496  UNINET, MX
 10620        3525        495     906  Telmex Colombia S.A., CO
 13999        2524        350     658  Mega Cable, S.A. de C.V., MX
 11830        2004        369      64  Instituto Costarricense de Electricidad
 28573        1548       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1230        216      21  ETB - Colombia, CO
 11664        1155        175     430  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1126         52       9  Rede Brasileira de Comunicacao SA, BR

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
 37457        1630        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1501        389      20  LINKdotNET-AS, EG
 36992        1365       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1206         76      63  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         552       1861      34  IAM-AS, MA
 36914         547         82       3  KENET-AS, KE
 15399         524         55      50  WANANCHI-, KE

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
  8151       12409       3320     496  UNINET, MX
  9808        9878       8744      69  CHINAMOBILE-CN China Mobile Communicati
 16509        9840      11366    3470  AMAZON-02, US
 47331        9058       1222    2280  TTNET, TR
 12479        7717       1709     144  UNI2-AS, ES
  7545        5662        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5247       6631     830  COGENT-174, US
  4538        4979       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4603        305     604  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
  9808        9878         9809  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7717         7573  UNI2-AS, ES
 47331        9058         6778  TTNET, TR
 16509        9840         6370  AMAZON-02, US
  7545        5662         4985  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4979         4903  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4589         4566  FPT-AS-AP FPT Telecom Company, VN
   174        5247         4417  COGENT-174, US
  7155        4176         4084  VIASAT-SP-BACKBONE, 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
     65536  DOCUMENT     5.102.30.0/24            65512  -Private Use AS-, ZZ
     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-DDOS-M
     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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, 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
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22       Transit:     51847  NEAROUTE, HK
27.0.192.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR

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       /9:14      /10:37      /11:95      /12:300     
/13:585     /14:1211    /15:2144    /16:13427   /17:8495    /18:14203   
/19:25484   /20:45491   /21:54064   /22:115046  /23:107926  /24:607265  
/25:1098    /26:1070    /27:1516    /28:165     /29:280     /30:126     
/31:118     /32:624     

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

   ASN  No of nets  Total ann.  Description
 47331        8166        9058  TTNET, TR
 12479        6833        7717  UNI2-AS, ES
  8151        6425       12409  UNINET, MX
 11492        3516        4603  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3402        3605  SHAW, CA
  7155        3119        4176  VIASAT-SP-BACKBONE, US
 22773        2639        3550  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2147        2493  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2138        3525  Telmex Colombia S.A., CO

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

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

   1:2337      2:1701      3:325       4:22        5:4672      6:163    
   7:6         8:1615      9:2        11:172      12:1457     13:370    
  14:2452     15:317      16:209      17:371      18:763      20:376    
  21:4        22:188      23:6727     24:3116     25:2        27:2674   
  29:19       31:2856     32:60       34:65       35:132      36:2329   
  37:4611     38:8491     39:898      40:126      41:4643     42:2201   
  43:2426     44:318      45:18626    46:4550     47:310      49:1951   
  50:1948     51:575      52:1618     54:310      55:1000     56:5      
  57:174      58:2129     59:1269     60:1035     61:2778     62:2843   
  63:1930     64:5750     65:2368     66:4841     67:3081     68:1362   
  69:4156     70:1385     71:589      72:2971     74:2630     75:1588   
  76:633      77:2588     78:4160     79:2519     80:2221     81:2204   
  82:1629     83:1389     84:1651     85:4062     86:944      87:2292   
  88:3049     89:4198     90:675      91:8251     92:2292     93:2684   
  94:3840     95:5383     96:1307     97:316      98:1049     99:742    
 100:98      101:1197    102:3659    103:32980   104:4867    105:2081   
 106:1013    107:2781    108:1123    109:4160    110:2180    111:3266   
 112:2097    113:1834    114:1789    115:2143    116:1910    117:2633   
 118:2871    119:2042    120:1813    121:1357    122:2796    123:2256   
 124:1698    125:2895    126:32      128:1565    129:1036    130:1160   
 131:2059    132:927     133:410     134:1726    135:360     136:950    
 137:1077    138:3191    139:1568    140:1397    141:1375    142:1622   
 143:1649    144:1016    145:345     146:2099    147:1869    148:2534   
 149:2635    150:1045    151:1366    152:2034    153:593     154:6854   
 155:1460    156:2505    157:1753    158:1155    159:2341    160:2736   
 161:1656    162:3625    163:1723    164:1719    165:2190    166:1175   
 167:1812    168:4254    169:836     170:5309    171:1030    172:3844   
 173:3071    174:906     175:1251    176:3808    177:6299    178:3713   
 179:2758    180:2450    181:3751    182:3406    183:2055    184:2296   
 185:21069   186:5683    187:5239    188:4264    189:4620    190:9665   
 191:2049    192:11036   193:9146    194:7650    195:5485    196:3662   
 197:2925    198:6086    199:7667    200:8468    201:6641    202:10828  
 203:10566   204:4634    205:3811    206:4559    207:3555    208:4206   
 209:5140    210:4799    211:2610    212:4381    213:3577    214:1090   
 215:50      216:6891    217:3014    218:1387    219:606     220:2051   
 221:1044    222:883     223:2242   

End of report


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