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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 5 22:41:36 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 05 May, 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:                              1001584
    Prefixes after maximum aggregation (per Origin AS):          366754
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461433
Total ASes present in the Internet Routing Table:                 75973
    Prefixes per ASN:                                             13.18
Origin-only ASes present in the Internet Routing Table:           65197
Origin ASes announcing only one prefix:                           25984
Transit ASes present in the Internet Routing Table:               10776
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:       4.0
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1193
    Number of instances of unregistered ASNs:                      1197
Number of 32-bit ASNs allocated by the RIRs:                      44392
Number of 32-bit ASNs visible in the Routing Table:               36442
Prefixes from 32-bit ASNs in the Routing Table:                  196585
Number of bogon 32-bit ASNs visible in the Routing Table:           175
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            664
Number of addresses announced to Internet:                   3029157300
    Equivalent to 180 /8s, 141 /16s and 69 /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:      342308

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

Prefixes being announced by APNIC Region ASes:                   260753
    Total APNIC prefixes after maximum aggregation:               74553
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          252963
    Unique aggregates announced from the APNIC address blocks:   100837
APNIC Region origin ASes present in the Internet Routing Table:   14205
    APNIC Prefixes per ASN:                                       17.81
APNIC Region origin ASes announcing only one prefix:               4269
APNIC Region transit ASes present in the Internet Routing Table:   1901
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9562
Number of APNIC addresses announced to Internet:              761744544
    Equivalent to 45 /8s, 103 /16s and 76 /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:                    284832
    Total ARIN prefixes after maximum aggregation:               126604
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289275
    Unique aggregates announced from the ARIN address blocks:    133633
ARIN Region origin ASes present in the Internet Routing Table:    19190
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                6941
ARIN Region transit ASes present in the Internet Routing Table:    1964
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4903
Number of ARIN addresses announced to Internet:              1268320066
    Equivalent to 75 /8s, 153 /16s and 7 /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:                    283984
    Total RIPE prefixes after maximum aggregation:               129472
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278638
    Unique aggregates announced from the RIPE address blocks:    163972
RIPE Region origin ASes present in the Internet Routing Table:    28695
    RIPE Prefixes per ASN:                                         9.71
RIPE Region origin ASes announcing only one prefix:               12071
RIPE Region transit ASes present in the Internet Routing Table:    3938
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11798
Number of RIPE addresses announced to Internet:               714845042
    Equivalent to 42 /8s, 155 /16s and 171 /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:                  135889
    Total LACNIC prefixes after maximum aggregation:              29100
    LACNIC Deaggregation factor:                                   4.67
Prefixes being announced from the LACNIC address blocks:         134338
    Unique aggregates announced from the LACNIC address blocks:   49448
LACNIC Region origin ASes present in the Internet Routing Table:  11084
    LACNIC Prefixes per ASN:                                      12.12
LACNIC Region origin ASes announcing only one prefix:              2091
LACNIC Region transit ASes present in the Internet Routing Table:  2432
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8969
Number of LACNIC addresses announced to Internet:             177144160
    Equivalent to 10 /8s, 143 /16s and 1 /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:                  34933
    Total AfriNIC prefixes after maximum aggregation:              6253
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         45705
    Unique aggregates announced from the AfriNIC address blocks:  13041
AfriNIC Region origin ASes present in the Internet Routing Table:  1843
    AfriNIC Prefixes per ASN:                                     24.80
AfriNIC Region origin ASes announcing only one prefix:              612
AfriNIC Region transit ASes present in the Internet Routing Table:  351
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1210
Number of AfriNIC addresses announced to Internet:            106772224
    Equivalent to 6 /8s, 93 /16s and 55 /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        9842       8743      67  CHINAMOBILE-CN China Mobile Communicati
  7545        5662        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5022       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4629        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3872       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3707        506     261  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3558       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3291       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2789        863     378  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2497      11523     592  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        9804      11354    3517  AMAZON-02, US
   174        5423       6635     846  COGENT-174, US
 11492        4609        306     610  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3611       1320      79  SHAW, CA
 22773        3545       3042     238  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3227      54904    2479  DNIC-AS-00749, US
 16625        3153       1341    2238  AKAMAI-AS, US
   367        2827       3544    1342  DNIC-ASBLK-00306-00371, US
  7018        2793      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        9093       1223    2212  TTNET, TR
 12479        7706       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3923       3396     150  AKAMAI-ASN1, NL
  9009        3305        286    1621  M247, RO
 12389        2989       2305     902  ROSTELECOM-AS, RU
  8551        2637        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2490        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2394        366     577  TELLCOM-AS, TR
  8452        1870       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       12234       3312     495  UNINET, MX
 10620        3523        495     914  Telmex Colombia S.A., CO
 13999        2538        351     663  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1537       2304     302  Claro NXT Telecomunicacoes Ltda, BR
  3816        1316        788     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1172        176     434  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1129         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        1502        389      20  LINKdotNET-AS, EG
 36992        1371       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1198         77      59  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         555       1861      35  IAM-AS, MA
 36914         535         82       3  KENET-AS, KE
 15399         530         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       12234       3312     495  UNINET, MX
  9808        9842       8743      67  CHINAMOBILE-CN China Mobile Communicati
 16509        9804      11354    3517  AMAZON-02, US
 47331        9093       1223    2212  TTNET, TR
 12479        7706       1708     144  UNI2-AS, ES
  7545        5662        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5423       6635     846  COGENT-174, US
  4538        5022       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4629        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        9842         9775  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7706         7562  UNI2-AS, ES
 47331        9093         6881  TTNET, TR
 16509        9804         6287  AMAZON-02, US
  7545        5662         4987  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5022         4948  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4629         4606  FPT-AS-AP FPT Telecom Company, VN
   174        5423         4577  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            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
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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:      3491  BTN-ASN, US

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      /12:299     
/13:583     /14:1208    /15:2137    /16:13408   /17:8503    /18:14215   
/19:25390   /20:45479   /21:54047   /22:114994  /23:107855  /24:608291  
/25:1097    /26:1062    /27:1513    /28:167     /29:281     /30:123     
/31:118     /32:651     

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

   ASN  No of nets  Total ann.  Description
 47331        8202        9093  TTNET, TR
 12479        6819        7706  UNI2-AS, ES
  8151        6276       12234  UNINET, MX
 11492        3518        4609  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3407        3611  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2634        3545  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2157        2504  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2136        3523  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      2:1708      3:334       4:22        5:4724      6:164    
   7:6         8:1611      9:1        11:172      12:1463     13:361    
  14:2458     15:318      16:210      17:373      18:765      20:383    
  21:4        22:188      23:6790     24:3120     25:2        27:2652   
  29:19       31:2722     32:60       34:63       35:135      36:2321   
  37:4615     38:8653     39:903      40:125      41:4681     42:2245   
  43:2425     44:322      45:18616    46:4585     47:312      49:1955   
  50:1931     51:577      52:1614     54:311      55:994      56:5      
  57:177      58:2135     59:1254     60:1035     61:2781     62:2836   
  63:1940     64:5729     65:2389     66:4841     67:3074     68:1349   
  69:4153     70:1389     71:592      72:2956     74:2635     75:1592   
  76:617      77:2628     78:4182     79:2537     80:2226     81:2183   
  82:1644     83:1406     84:1667     85:4089     86:947      87:2293   
  88:3061     89:4230     90:672      91:8271     92:2379     93:2712   
  94:3882     95:5431     96:1303     97:315      98:1057     99:741    
 100:90      101:1191    102:3672    103:32962   104:4871    105:2085   
 106:1008    107:2799    108:1159    109:4171    110:2177    111:3287   
 112:2095    113:1831    114:1793    115:2179    116:1911    117:2661   
 118:2868    119:2050    120:1798    121:1361    122:2800    123:2256   
 124:1702    125:2901    126:32      128:1562    129:1040    130:1193   
 131:2022    132:925     133:410     134:1740    135:362     136:962    
 137:1082    138:3170    139:1571    140:1387    141:1363    142:1624   
 143:1650    144:1007    145:363     146:2091    147:1885    148:2527   
 149:2797    150:1045    151:1365    152:2159    153:595     154:6863   
 155:1471    156:2316    157:1806    158:1153    159:2335    160:2763   
 161:1694    162:3593    163:1726    164:1712    165:2183    166:1175   
 167:1834    168:4229    169:830     170:5351    171:1028    172:3866   
 173:3082    174:899     175:1257    176:3846    177:6139    178:3866   
 179:2679    180:2450    181:3803    182:3414    183:2030    184:2300   
 185:21135   186:5636    187:5064    188:4281    189:4534    190:9787   
 191:2028    192:11032   193:9173    194:7679    195:5478    196:3323   
 197:2735    198:6101    199:7820    200:8546    201:6642    202:10858  
 203:10586   204:4644    205:3814    206:4565    207:3602    208:4203   
 209:5138    210:4815    211:2619    212:4420    213:3586    214:1056   
 215:49      216:6886    217:3240    218:1387    219:607     220:2056   
 221:1043    222:889     223:2247   

End of report


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