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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 12 22:42:12 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 12 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:                              1004687
    Prefixes after maximum aggregation (per Origin AS):          368778
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      460366
Total ASes present in the Internet Routing Table:                 75892
    Prefixes per ASN:                                             13.24
Origin-only ASes present in the Internet Routing Table:           65095
Origin ASes announcing only one prefix:                           25959
Transit ASes present in the Internet Routing Table:               10797
Transit-only ASes present in the Internet Routing Table:            517
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     203
    Max AS path prepend of ASN ( 56409)                             200
Prefixes from unregistered ASNs in the Routing Table:              4668
    Number of instances of unregistered ASNs:                      4670
Number of 32-bit ASNs allocated by the RIRs:                      44104
Number of 32-bit ASNs visible in the Routing Table:               36324
Prefixes from 32-bit ASNs in the Routing Table:                  196042
Number of bogon 32-bit ASNs visible in the Routing Table:           180
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            662
Number of addresses announced to Internet:                   3030561764
    Equivalent to 180 /8s, 162 /16s and 179 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      344754

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

Prefixes being announced by APNIC Region ASes:                   260407
    Total APNIC prefixes after maximum aggregation:               74287
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          252824
    Unique aggregates announced from the APNIC address blocks:   100443
APNIC Region origin ASes present in the Internet Routing Table:   14158
    APNIC Prefixes per ASN:                                       17.86
APNIC Region origin ASes announcing only one prefix:               4227
APNIC Region transit ASes present in the Internet Routing Table:   1876
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9504
Number of APNIC addresses announced to Internet:              761112232
    Equivalent to 45 /8s, 93 /16s and 166 /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:                    284154
    Total ARIN prefixes after maximum aggregation:               126186
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288896
    Unique aggregates announced from the ARIN address blocks:    133282
ARIN Region origin ASes present in the Internet Routing Table:    19168
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                6948
ARIN Region transit ASes present in the Internet Routing Table:    1954
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4887
Number of ARIN addresses announced to Internet:              1269815134
    Equivalent to 75 /8s, 175 /16s and 215 /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:                    283671
    Total RIPE prefixes after maximum aggregation:               129367
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           280268
    Unique aggregates announced from the RIPE address blocks:    163588
RIPE Region origin ASes present in the Internet Routing Table:    28701
    RIPE Prefixes per ASN:                                         9.77
RIPE Region origin ASes announcing only one prefix:               12092
RIPE Region transit ASes present in the Internet Routing Table:    4001
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                         203
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11773
Number of RIPE addresses announced to Internet:               715047290
    Equivalent to 42 /8s, 158 /16s and 193 /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:                  137092
    Total LACNIC prefixes after maximum aggregation:              28974
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         135599
    Unique aggregates announced from the LACNIC address blocks:   49493
LACNIC Region origin ASes present in the Internet Routing Table:  11092
    LACNIC Prefixes per ASN:                                      12.22
LACNIC Region origin ASes announcing only one prefix:              2093
LACNIC Region transit ASes present in the Internet Routing Table:  2424
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8960
Number of LACNIC addresses announced to Internet:             177353824
    Equivalent to 10 /8s, 146 /16s and 52 /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:                  34695
    Total AfriNIC prefixes after maximum aggregation:              6192
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         46437
    Unique aggregates announced from the AfriNIC address blocks:  13042
AfriNIC Region origin ASes present in the Internet Routing Table:  1827
    AfriNIC Prefixes per ASN:                                     25.42
AfriNIC Region origin ASes announcing only one prefix:              599
AfriNIC Region transit ASes present in the Internet Routing Table:  352
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1200
Number of AfriNIC addresses announced to Internet:            106901504
    Equivalent to 6 /8s, 95 /16s and 48 /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        9850       8743      68  CHINAMOBILE-CN China Mobile Communicati
  7545        5661        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5003       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4635        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3866       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3644       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3579        498     257  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2774        861     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2505      11258     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        9864      11373    3458  AMAZON-02, US
   174        5244       6631     828  COGENT-174, US
 11492        4602        305     605  CABLEONE, US
  7155        4176        288      92  VIASAT-SP-BACKBONE, US
  6327        3605       1320      75  SHAW, CA
 22773        3552       3049     242  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3201      54912    2453  DNIC-AS-00749, US
 16625        3176       1353    2257  AKAMAI-AS, US
   367        2811       3547    1338  DNIC-ASBLK-00306-00371, US
396982        2764       3641     413  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        9062       1223    2275  TTNET, TR
 12479        7712       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3944       3396     150  AKAMAI-ASN1, NL
  9009        3287        284    1605  M247, RO
 12389        2978       2303     901  ROSTELECOM-AS, RU
  8551        2642        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2470       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       12419       3322     494  UNINET, MX
 10620        3532        497     886  Telmex Colombia S.A., CO
 13999        2524        347     655  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1548       2315     247  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1152        177     428  Techtel LMDS Comunicaciones Interactiva
  6503        1150        346     478  Axtel, S.A.B. de C.V., MX
 28202        1125         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        1502        389      20  LINKdotNET-AS, EG
 36992        1367       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1207         76      63  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         554       1861      34  IAM-AS, MA
 36914         543         82       3  KENET-AS, KE
 15399         532         55      52  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       12419       3322     494  UNINET, MX
 16509        9864      11373    3458  AMAZON-02, US
  9808        9850       8743      68  CHINAMOBILE-CN China Mobile Communicati
 47331        9062       1223    2275  TTNET, TR
 12479        7712       1709     144  UNI2-AS, ES
 64912        6900          1    3021  >>UNKNOWN<<
  7545        5661        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5244       6631     828  COGENT-174, US
  4538        5003       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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        9850         9782  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7712         7568  UNI2-AS, ES
 47331        9062         6787  TTNET, TR
 16509        9864         6406  AMAZON-02, US
  7545        5661         4984  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5003         4927  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4635         4612  FPT-AS-AP FPT Telecom Company, VN
   174        5244         4416  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
     64912  PRIVATE      2.56.10.79/32            20912  ASN-PANSERVICE, IT
     64912  PRIVATE      2.58.193.190/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      2.59.156.194/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.9.157.239/32           20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.34.241.125/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.136/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.137/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.138/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.142/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.75.143.17/32           20912  ASN-PANSERVICE, IT

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    /15:2146    /16:13440   /17:8495    /18:14225   
/19:25496   /20:45548   /21:54118   /22:114988  /23:107931  /24:607511  
/25:1097    /26:1068    /27:1522    /28:168     /29:279     /30:124     
/31:117     /32:4155    

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

   ASN  No of nets  Total ann.  Description
 47331        8169        9062  TTNET, TR
 12479        6831        7712  UNI2-AS, ES
  8151        6429       12419  UNINET, MX
 11492        3515        4602  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3402        3605  SHAW, CA
  7155        3119        4176  VIASAT-SP-BACKBONE, US
 22773        2639        3552  ASN-CXA-ALL-CCI-22773-RDC, US
 64912        2366        6900  -Private Use AS-, ZZ
 30036        2151        2498  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2338      2:1698      3:322       4:22        5:4718      6:161    
   7:6         8:1618      9:2        11:172      12:1467     13:379    
  14:2451     15:318      16:209      17:373      18:758      20:376    
  21:4        22:188      23:6730     24:3117     25:2        27:2702   
  29:19       31:2863     32:60       34:65       35:128      36:2310   
  37:4609     38:8406     39:898      40:126      41:4641     42:2231   
  43:2419     44:323      45:18614    46:4543     47:311      49:1949   
  50:1949     51:579      52:1619     54:313      55:998      56:5      
  57:175      58:2126     59:1268     60:1034     61:2772     62:2840   
  63:1933     64:5742     65:2363     66:4837     67:3086     68:1344   
  69:4144     70:1385     71:588      72:2980     74:2632     75:1586   
  76:634      77:2584     78:4159     79:2525     80:2219     81:2201   
  82:1625     83:1392     84:1660     85:4072     86:944      87:2303   
  88:3051     89:4207     90:678      91:8261     92:2296     93:2688   
  94:3841     95:5384     96:1308     97:316      98:1052     99:743    
 100:99      101:1200    102:3596    103:32992   104:4883    105:2065   
 106:1009    107:2779    108:1134    109:4138    110:2174    111:3266   
 112:2098    113:1837    114:1799    115:2147    116:1909    117:2636   
 118:2875    119:2044    120:1816    121:1358    122:2814    123:2257   
 124:1681    125:2892    126:32      128:1566    129:1035    130:1158   
 131:2049    132:931     133:410     134:1725    135:360     136:952    
 137:1075    138:3200    139:1568    140:1397    141:1375    142:1621   
 143:1641    144:1015    145:349     146:2100    147:1855    148:2519   
 149:2628    150:1041    151:1364    152:2022    153:593     154:6824   
 155:1452    156:2384    157:1743    158:1153    159:2336    160:2735   
 161:1652    162:3621    163:1740    164:1733    165:2193    166:1175   
 167:1819    168:4274    169:830     170:5257    171:1030    172:3844   
 173:3077    174:913     175:1257    176:3791    177:6269    178:3720   
 179:2776    180:2453    181:3814    182:3406    183:2049    184:2294   
 185:21070   186:5709    187:5281    188:4264    189:4644    190:9713   
 191:2076    192:11032   193:9139    194:7657    195:5483    196:3668   
 197:2918    198:6086    199:7671    200:8671    201:6633    202:10823  
 203:10596   204:4629    205:3793    206:4559    207:3557    208:4205   
 209:5153    210:4794    211:2611    212:4410    213:3580    214:1087   
 215:50      216:6895    217:3064    218:1386    219:608     220:2049   
 221:1042    222:883     223:2242   

End of report


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