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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 18 22:41:27 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 18 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:                              1001696
    Prefixes after maximum aggregation (per Origin AS):          366114
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      460357
Total ASes present in the Internet Routing Table:                 75911
    Prefixes per ASN:                                             13.20
Origin-only ASes present in the Internet Routing Table:           65029
Origin ASes announcing only one prefix:                           25928
Transit ASes present in the Internet Routing Table:               10882
Transit-only ASes present in the Internet Routing Table:            532
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:              1147
    Number of instances of unregistered ASNs:                      1149
Number of 32-bit ASNs allocated by the RIRs:                      44183
Number of 32-bit ASNs visible in the Routing Table:               36352
Prefixes from 32-bit ASNs in the Routing Table:                  195859
Number of bogon 32-bit ASNs visible in the Routing Table:           170
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            601
Number of addresses announced to Internet:                   3031095732
    Equivalent to 180 /8s, 170 /16s and 217 /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:      342320

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

Prefixes being announced by APNIC Region ASes:                   260771
    Total APNIC prefixes after maximum aggregation:               74457
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          252830
    Unique aggregates announced from the APNIC address blocks:   100566
APNIC Region origin ASes present in the Internet Routing Table:   14176
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4241
APNIC Region transit ASes present in the Internet Routing Table:   1906
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:   9529
Number of APNIC addresses announced to Internet:              762344864
    Equivalent to 45 /8s, 112 /16s and 117 /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:                    284069
    Total ARIN prefixes after maximum aggregation:               126290
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288816
    Unique aggregates announced from the ARIN address blocks:    133293
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:                6946
ARIN Region transit ASes present in the Internet Routing Table:    1956
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:    4890
Number of ARIN addresses announced to Internet:              1269327938
    Equivalent to 75 /8s, 168 /16s and 104 /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:                    283924
    Total RIPE prefixes after maximum aggregation:               129377
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           277606
    Unique aggregates announced from the RIPE address blocks:    163531
RIPE Region origin ASes present in the Internet Routing Table:    28692
    RIPE Prefixes per ASN:                                         9.68
RIPE Region origin ASes announcing only one prefix:               12070
RIPE Region transit ASes present in the Internet Routing Table:    4009
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:   11776
Number of RIPE addresses announced to Internet:               714863730
    Equivalent to 42 /8s, 155 /16s and 244 /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:                  137040
    Total LACNIC prefixes after maximum aggregation:              29031
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135450
    Unique aggregates announced from the LACNIC address blocks:   49493
LACNIC Region origin ASes present in the Internet Routing Table:  11090
    LACNIC Prefixes per ASN:                                      12.21
LACNIC Region origin ASes announcing only one prefix:              2072
LACNIC Region transit ASes present in the Internet Routing Table:  2455
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:  8959
Number of LACNIC addresses announced to Internet:             177258592
    Equivalent to 10 /8s, 144 /16s and 192 /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:                  34745
    Total AfriNIC prefixes after maximum aggregation:              6240
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         46392
    Unique aggregates announced from the AfriNIC address blocks:  13019
AfriNIC Region origin ASes present in the Internet Routing Table:  1831
    AfriNIC Prefixes per ASN:                                     25.34
AfriNIC Region origin ASes announcing only one prefix:              599
AfriNIC Region transit ASes present in the Internet Routing Table:  359
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: 1198
Number of AfriNIC addresses announced to Internet:            106990848
    Equivalent to 6 /8s, 96 /16s and 141 /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        9883       8744      69  CHINAMOBILE-CN China Mobile Communicati
  7545        5662        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4980       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4591        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3845       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        2782        864     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2495      11524     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        9862      11370    3461  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        3607       1320      75  SHAW, CA
 22773        3549       3064     239  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3202      54912    2454  DNIC-AS-00749, US
 16625        3168       1345    2245  AKAMAI-AS, US
   367        2831       3550    1351  DNIC-ASBLK-00306-00371, US
  7018        2780      23648    1778  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        9062       1223    2272  TTNET, TR
 12479        7692       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3950       3396     150  AKAMAI-ASN1, NL
  9009        3292        285    1611  M247, RO
 12389        2951       2301     892  ROSTELECOM-AS, RU
  8551        2640        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2491       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       12407       3318     497  UNINET, MX
 10620        3524        495     908  Telmex Colombia S.A., CO
 13999        2529        350     659  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1547       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1314        788     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1229        216      21  ETB - Colombia, CO
 11664        1154        175     429  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     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        1501        389      20  LINKdotNET-AS, EG
 36992        1365       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1205         76      63  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         554       1861      34  IAM-AS, MA
 36914         551         82       3  KENET-AS, KE
 15399         529         55      49  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       12407       3318     497  UNINET, MX
  9808        9883       8744      69  CHINAMOBILE-CN China Mobile Communicati
 16509        9862      11370    3461  AMAZON-02, US
 47331        9062       1223    2272  TTNET, TR
 12479        7692       1709     144  UNI2-AS, ES
  7545        5662        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5247       6631     830  COGENT-174, US
  4538        4980       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        9883         9814  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7692         7548  UNI2-AS, ES
 47331        9062         6790  TTNET, TR
 16509        9862         6401  AMAZON-02, US
  7545        5662         4985  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4980         4904  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4591         4568  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
23.175.120.0/24      Origin:    400967  ASSUREDNET-ASN1, US
23.175.120.0/24     Transit:     21700  NEPTUNE-NETWORKS, 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

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      /12:301     
/13:585     /14:1211    /15:2143    /16:13427   /17:8498    /18:14207   
/19:25487   /20:45551   /21:54080   /22:115072  /23:107978  /24:607990  
/25:1103    /26:1070    /27:1516    /28:165     /29:280     /30:125     
/31:118     /32:626     

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

   ASN  No of nets  Total ann.  Description
 47331        8169        9062  TTNET, TR
 12479        6807        7692  UNI2-AS, ES
  8151        6427       12407  UNINET, MX
 11492        3516        4603  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3404        3607  SHAW, CA
  7155        3119        4176  VIASAT-SP-BACKBONE, US
 22773        2638        3549  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2147        2493  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2137        3524  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      2:1702      3:325       4:22        5:4719      6:163    
   7:6         8:1616      9:2        11:172      12:1465     13:372    
  14:2452     15:317      16:209      17:371      18:765      20:379    
  21:4        22:188      23:6737     24:3117     25:2        27:2676   
  29:19       31:2860     32:60       34:66       35:132      36:2328   
  37:4607     38:8489     39:898      40:126      41:4634     42:2208   
  43:2426     44:319      45:18637    46:4555     47:310      49:1951   
  50:1948     51:575      52:1618     54:311      55:997      56:5      
  57:178      58:2132     59:1272     60:1035     61:2779     62:2843   
  63:1930     64:5750     65:2401     66:4846     67:3081     68:1363   
  69:4156     70:1385     71:588      72:2970     74:2633     75:1588   
  76:617      77:2584     78:4158     79:2524     80:2218     81:2206   
  82:1629     83:1389     84:1650     85:4071     86:944      87:2292   
  88:3046     89:4212     90:671      91:8260     92:2300     93:2686   
  94:3841     95:5383     96:1307     97:315      98:1052     99:742    
 100:97      101:1198    102:3652    103:32987   104:4868    105:2080   
 106:1014    107:2789    108:1125    109:4158    110:2182    111:3284   
 112:2097    113:1835    114:1792    115:2149    116:1907    117:2632   
 118:2870    119:2046    120:1814    121:1357    122:2796    123:2265   
 124:1698    125:2896    126:32      128:1561    129:1036    130:1164   
 131:2054    132:930     133:410     134:1725    135:361     136:951    
 137:1074    138:3198    139:1567    140:1396    141:1378    142:1625   
 143:1649    144:1011    145:345     146:2105    147:1876    148:2529   
 149:2639    150:1047    151:1366    152:2038    153:594     154:6846   
 155:1463    156:2510    157:1755    158:1156    159:2339    160:2734   
 161:1654    162:3628    163:1719    164:1721    165:2190    166:1175   
 167:1824    168:4262    169:826     170:5342    171:1030    172:3849   
 173:3069    174:905     175:1253    176:3808    177:6279    178:3714   
 179:2767    180:2457    181:3814    182:3407    183:2056    184:2297   
 185:21079   186:5695    187:5234    188:4261    189:4628    190:9727   
 191:2066    192:11043   193:9138    194:7650    195:5483    196:3666   
 197:2933    198:6093    199:7685    200:8676    201:6642    202:10838  
 203:10566   204:4634    205:3834    206:4562    207:3556    208:4202   
 209:5146    210:4797    211:2612    212:4380    213:3576    214:1091   
 215:50      216:6891    217:3019    218:1387    219:606     220:2053   
 221:1044    222:883     223:2242   

End of report


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