[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 24 22:41:18 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 24 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:                              1001940
    Prefixes after maximum aggregation (per Origin AS):          366405
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461261
Total ASes present in the Internet Routing Table:                 75961
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65122
Origin ASes announcing only one prefix:                           25977
Transit ASes present in the Internet Routing Table:               10839
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:       4.2
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1181
    Number of instances of unregistered ASNs:                      1185
Number of 32-bit ASNs allocated by the RIRs:                      44237
Number of 32-bit ASNs visible in the Routing Table:               36421
Prefixes from 32-bit ASNs in the Routing Table:                  196995
Number of bogon 32-bit ASNs visible in the Routing Table:           176
Special use prefixes present in the Routing Table:                   21
Prefixes being announced from unallocated address space:            653
Number of addresses announced to Internet:                   3030274484
    Equivalent to 180 /8s, 158 /16s and 81 /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:      342580

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

Prefixes being announced by APNIC Region ASes:                   260962
    Total APNIC prefixes after maximum aggregation:               74523
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          253047
    Unique aggregates announced from the APNIC address blocks:   100703
APNIC Region origin ASes present in the Internet Routing Table:   14194
    APNIC Prefixes per ASN:                                       17.83
APNIC Region origin ASes announcing only one prefix:               4247
APNIC Region transit ASes present in the Internet Routing Table:   1909
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9553
Number of APNIC addresses announced to Internet:              761811104
    Equivalent to 45 /8s, 104 /16s and 80 /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:                    284183
    Total ARIN prefixes after maximum aggregation:               126390
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288984
    Unique aggregates announced from the ARIN address blocks:    133457
ARIN Region origin ASes present in the Internet Routing Table:    19169
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6943
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4900
Number of ARIN addresses announced to Internet:              1269115714
    Equivalent to 75 /8s, 165 /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,  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:                    283878
    Total RIPE prefixes after maximum aggregation:               129493
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278183
    Unique aggregates announced from the RIPE address blocks:    164045
RIPE Region origin ASes present in the Internet Routing Table:    28713
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12093
RIPE Region transit ASes present in the Internet Routing Table:    3992
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11796
Number of RIPE addresses announced to Internet:               714963570
    Equivalent to 42 /8s, 157 /16s and 122 /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:                  136834
    Total LACNIC prefixes after maximum aggregation:              29029
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135226
    Unique aggregates announced from the LACNIC address blocks:   49543
LACNIC Region origin ASes present in the Internet Routing Table:  11095
    LACNIC Prefixes per ASN:                                      12.19
LACNIC Region origin ASes announcing only one prefix:              2088
LACNIC Region transit ASes present in the Internet Routing Table:  2434
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8966
Number of LACNIC addresses announced to Internet:             177258848
    Equivalent to 10 /8s, 144 /16s and 193 /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:                  34902
    Total AfriNIC prefixes after maximum aggregation:              6242
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         45846
    Unique aggregates announced from the AfriNIC address blocks:  13013
AfriNIC Region origin ASes present in the Internet Routing Table:  1838
    AfriNIC Prefixes per ASN:                                     24.94
AfriNIC Region origin ASes announcing only one prefix:              606
AfriNIC Region transit ASes present in the Internet Routing Table:  360
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1206
Number of AfriNIC addresses announced to Internet:            106797312
    Equivalent to 6 /8s, 93 /16s and 153 /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        9887       8744      68  CHINAMOBILE-CN China Mobile Communicati
  7545        5666        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5044       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4621        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3610        500     257  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3599       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3292       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2782        864     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2508      11524     588  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        9824      11361    3487  AMAZON-02, US
   174        5257       6629     836  COGENT-174, US
 11492        4597        305     618  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3544       3062     238  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3200      54911    2452  DNIC-AS-00749, US
 16625        3168       1345    2246  AKAMAI-AS, US
   367        2838       3551    1360  DNIC-ASBLK-00306-00371, US
  7018        2780      23650    1781  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        9059       1223    2277  TTNET, TR
 12479        7716       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3962       3396     150  AKAMAI-ASN1, NL
  9009        3306        286    1622  M247, RO
 12389        2879       2298     901  ROSTELECOM-AS, RU
  8551        2647        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2490        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2395        367     575  TELLCOM-AS, TR
  8452        1822       1852      14  TE-AS TE-AS, EG

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       12404       3319     491  UNINET, MX
 10620        3526        495     909  Telmex Colombia S.A., CO
 13999        2530        350     666  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1553       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1230        216      21  ETB - Colombia, CO
 11664        1157        176     428  Techtel LMDS Comunicaciones Interactiva
  6503        1130        314     478  Axtel, S.A.B. de C.V., MX
 28202        1122         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        1636        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1501        389      20  LINKdotNET-AS, EG
 36992        1370       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1204         76      66  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         550         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       12404       3319     491  UNINET, MX
  9808        9887       8744      68  CHINAMOBILE-CN China Mobile Communicati
 16509        9824      11361    3487  AMAZON-02, US
 47331        9059       1223    2277  TTNET, TR
 12479        7716       1708     144  UNI2-AS, ES
  7545        5666        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5257       6629     836  COGENT-174, US
  4538        5044       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4621        347      23  FPT-AS-AP FPT Telecom Company, VN

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        9887         9819  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7716         7572  UNI2-AS, ES
 47331        9059         6782  TTNET, TR
 16509        9824         6337  AMAZON-02, US
  7545        5666         4987  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5044         4970  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4621         4598  FPT-AS-AP FPT Telecom Company, VN
   174        5257         4421  COGENT-174, US
  7155        4175         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           198471  LINKEM-AS, IT
     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     
/13:583     /14:1211    /15:2141    /16:13423   /17:8507    /18:14200   
/19:25471   /20:45467   /21:54100   /22:115065  /23:108069  /24:608199  
/25:1102    /26:1074    /27:1514    /28:179     /29:297     /30:124     
/31:117     /32:634     

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

   ASN  No of nets  Total ann.  Description
 47331        8166        9059  TTNET, TR
 12479        6827        7716  UNI2-AS, ES
  8151        6429       12404  UNINET, MX
 11492        3510        4597  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2634        3544  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2157        2504  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2139        3526  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)
----------------------------------------------

   1:2339      2:1712      3:327       4:22        5:4714      6:163    
   7:6         8:1616      9:1        11:172      12:1463     13:365    
  14:2457     15:318      16:209      17:373      18:765      20:379    
  21:4        22:188      23:6771     24:3111     25:2        27:2681   
  29:19       31:2855     32:60       34:65       35:132      36:2323   
  37:4605     38:8584     39:900      40:125      41:4681     42:2229   
  43:2427     44:321      45:18629    46:4570     47:312      49:1950   
  50:1948     51:577      52:1616     54:310      55:999      56:5      
  57:178      58:2139     59:1267     60:1032     61:2779     62:2846   
  63:1937     64:5735     65:2390     66:4817     67:3079     68:1346   
  69:4142     70:1384     71:591      72:2973     74:2637     75:1588   
  76:615      77:2604     78:4163     79:2553     80:2223     81:2164   
  82:1635     83:1404     84:1667     85:4079     86:950      87:2289   
  88:3049     89:4228     90:671      91:8274     92:2362     93:2703   
  94:3837     95:5393     96:1308     97:315      98:1058     99:742    
 100:94      101:1197    102:3680    103:33009   104:4883    105:2085   
 106:1014    107:2816    108:1122    109:4152    110:2186    111:3280   
 112:2090    113:1836    114:1808    115:2148    116:1912    117:2641   
 118:2874    119:2047    120:1812    121:1358    122:2824    123:2261   
 124:1699    125:2895    126:32      128:1562    129:1035    130:1176   
 131:2054    132:926     133:410     134:1740    135:364     136:957    
 137:1077    138:3203    139:1570    140:1399    141:1376    142:1621   
 143:1652    144:1006    145:358     146:2095    147:1881    148:2519   
 149:2644    150:1049    151:1368    152:2060    153:594     154:6852   
 155:1472    156:2528    157:1792    158:1159    159:2335    160:2745   
 161:1682    162:3599    163:1720    164:1708    165:2187    166:1177   
 167:1824    168:4226    169:831     170:5307    171:1031    172:3848   
 173:3079    174:901     175:1259    176:3807    177:6300    178:3726   
 179:2716    180:2454    181:3804    182:3414    183:2059    184:2294   
 185:21102   186:5686    187:5214    188:4275    189:4614    190:9770   
 191:2050    192:11018   193:9158    194:7669    195:5473    196:3330   
 197:2742    198:6084    199:7733    200:8624    201:6632    202:10827  
 203:10580   204:4645    205:3824    206:4566    207:3599    208:4198   
 209:5135    210:4795    211:2611    212:4402    213:3590    214:1066   
 215:49      216:6893    217:3186    218:1387    219:606     220:2058   
 221:1043    222:886     223:2246   

End of report


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