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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Sep 24 22:41:15 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 24 Sep, 2023

  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:                              980507
    Prefixes after maximum aggregation (per Origin AS):          359465
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453064
Total ASes present in the Internet Routing Table:                 75039
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64469
Origin ASes announcing only one prefix:                           25873
Transit ASes present in the Internet Routing Table:               10570
Transit-only ASes present in the Internet Routing Table:            463
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1241
    Number of instances of unregistered ASNs:                      1243
Number of 32-bit ASNs allocated by the RIRs:                      42689
Number of 32-bit ASNs visible in the Routing Table:               35212
Prefixes from 32-bit ASNs in the Routing Table:                  183218
Number of bogon 32-bit ASNs visible in the Routing Table:           233
Special use prefixes present in the Routing Table:                   44
Prefixes being announced from unallocated address space:            627
Number of addresses announced to Internet:                   3057054346
    Equivalent to 182 /8s, 54 /16s and 242 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      335909

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

Prefixes being announced by APNIC Region ASes:                   256491
    Total APNIC prefixes after maximum aggregation:               71816
    APNIC Deaggregation factor:                                    3.57
Prefixes being announced from the APNIC address blocks:          250016
    Unique aggregates announced from the APNIC address blocks:    98722
APNIC Region origin ASes present in the Internet Routing Table:   13706
    APNIC Prefixes per ASN:                                       18.24
APNIC Region origin ASes announcing only one prefix:               4045
APNIC Region transit ASes present in the Internet Routing Table:   1816
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9015
Number of APNIC addresses announced to Internet:              774029888
    Equivalent to 46 /8s, 34 /16s and 194 /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:                    281196
    Total ARIN prefixes after maximum aggregation:               125333
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           284028
    Unique aggregates announced from the ARIN address blocks:    131752
ARIN Region origin ASes present in the Internet Routing Table:    19131
    ARIN Prefixes per ASN:                                        14.85
ARIN Region origin ASes announcing only one prefix:                6938
ARIN Region transit ASes present in the Internet Routing Table:    1932
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:    4838
Number of ARIN addresses announced to Internet:              1279210816
    Equivalent to 76 /8s, 63 /16s and 53 /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, 393216-401308
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:                    280384
    Total RIPE prefixes after maximum aggregation:               126907
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274847
    Unique aggregates announced from the RIPE address blocks:    159980
RIPE Region origin ASes present in the Internet Routing Table:    28483
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12006
RIPE Region transit ASes present in the Internet Routing Table:    3925
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11374
Number of RIPE addresses announced to Internet:               716981470
    Equivalent to 42 /8s, 188 /16s and 68 /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:                  127458
    Total LACNIC prefixes after maximum aggregation:              28598
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         126737
    Unique aggregates announced from the LACNIC address blocks:   49265
LACNIC Region origin ASes present in the Internet Routing Table:  11034
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2294
LACNIC Region transit ASes present in the Internet Routing Table:  2371
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8843
Number of LACNIC addresses announced to Internet:             178487072
    Equivalent to 10 /8s, 163 /16s and 127 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  33737
    Total AfriNIC prefixes after maximum aggregation:              6034
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44251
    Unique aggregates announced from the AfriNIC address blocks:  12804
AfriNIC Region origin ASes present in the Internet Routing Table:  1802
    AfriNIC Prefixes per ASN:                                     24.56
AfriNIC Region origin ASes announcing only one prefix:              590
AfriNIC Region transit ASes present in the Internet Routing Table:  336
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142
Number of AfriNIC addresses announced to Internet:            107886592
    Equivalent to 6 /8s, 110 /16s and 56 /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        9613       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5727        785     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4298        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4015       1841      53  VNPT-AS-VN VNPT Corp, VN
  7552        3744       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3594       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3160        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2517        849     387  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2296      11269     604  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        9133      11001    3267  AMAZON-02, US
 11492        4533        301     670  CABLEONE, US
  7155        4185        289     103  VIASAT-SP-BACKBONE, US
   174        3890       6654     610  COGENT-174, US
 22773        3662       3078     309  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3542       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3043       1435    2293  AKAMAI-AS, US
   367        2992       3838    1431  DNIC-ASBLK-00306-00371, US
396982        2693       3597     390  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        8560       1171    3001  TTNET, TR
 12479        7392       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4129       3399     185  AKAMAI-ASN1, NL
  8551        3459        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2995       2296     922  ROSTELECOM-AS, RU
  9009        2778        257    1425  M247, RO
  8452        2501       1852      16  TE-AS TE-AS, EG
  5384        2453        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        365     585  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       11936       3371     606  UNINET, MX
 10620        3542        506     852  Telmex Colombia S.A., CO
 13999        2406        334     623  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1328       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  3816        1296        764     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664        1115        180     429  Techtel LMDS Comunicaciones Interactiva
  6147        1112        369      22  Telefonica del Peru S.A.A., PE
 28202        1090         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        1885        319      45  Telkom-Internet, ZA
 24863        1607        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1046         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         528         55      49  WANANCHI-, KE
 36914         521         82       3  KENET-AS, 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       11936       3371     606  UNINET, MX
  9808        9613       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9133      11001    3267  AMAZON-02, US
 47331        8560       1171    3001  TTNET, TR
 12479        7392       1713     145  UNI2-AS, ES
  7545        5727        785     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4533        301     670  CABLEONE, US
 18403        4298        347      25  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        9613         9514  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7392         7247  UNI2-AS, ES
 16509        9133         5866  AMAZON-02, US
 47331        8560         5559  TTNET, TR
  7545        5727         5037  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046         4971  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4298         4273  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4082  VIASAT-SP-BACKBONE, US
 45899        4015         3962  VNPT-AS-VN VNPT Corp, VN

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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, 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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.64.192.0/19           52971  MICKS TELECOM EIRELI, BR
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ

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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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      /10:39      /11:101     /12:298     
/13:578     /14:1212    /15:2151    /16:13676   /17:8545    /18:14776   
/19:25804   /20:45877   /21:54591   /22:114575  /23:107214  /24:588162  
/25:468     /26:615     /27:1026    /28:69      /29:100     /30:20      
/31:22      /32:557     

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

   ASN  No of nets  Total ann.  Description
 47331        7679        8560  TTNET, TR
 12479        6479        7392  UNI2-AS, ES
  8151        5936       11936  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3444        4533  CABLEONE, US
  6327        3352        3542  SHAW, CA
  7155        3130        4185  VIASAT-SP-BACKBONE, US
  8551        2926        3459  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2703        3662  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2157        2499  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2269      2:1583      3:265       4:8         5:4700      6:135    
   7:6         8:1611      9:1        11:172      12:1519     13:376    
  14:2416     15:303      16:198      17:376      18:652      20:309    
  21:4        22:188      23:6506     24:2923     25:2        27:2666   
  29:19       31:2680     32:93       34:26       35:119      36:2015   
  37:4641     38:6435     39:878      40:148      41:4793     42:2103   
  43:2407     44:328      45:17444    46:4473     47:379      49:1846   
  50:1912     51:598      52:1628     54:394      55:938      56:5      
  57:131      58:1951     59:1205     60:1007     61:2727     62:2811   
  63:1952     64:5831     65:2393     66:5122     67:3100     68:1361   
  69:4204     70:1400     71:679      72:3045     74:2666     75:1610   
  76:634      77:2439     78:4022     79:3022     80:2167     81:2066   
  82:1569     83:1364     84:1576     85:3912     86:869      87:2278   
  88:2866     89:3926     90:624      91:7966     92:2145     93:2656   
  94:3700     95:5112     96:1339     97:319      98:1122     99:735    
 100:123     101:1363    102:3257    103:32647   104:4752    105:2000   
 106:965     107:2702    108:1148    109:4323    110:2193    111:3185   
 112:2247    113:1812    114:1705    115:2157    116:1937    117:2574   
 118:2764    119:2068    120:1860    121:1243    122:2775    123:2289   
 124:1660    125:2573    128:1560    129:1016    130:1088    131:2080   
 132:972     133:408     134:1791    135:351     136:979     137:988    
 138:2817    139:1664    140:1189    141:1315    142:1541    143:1614   
 144:1009    145:351     146:1988    147:1622    148:2525    149:2329   
 150:904     151:1252    152:1997    153:593     154:5422    155:1401   
 156:2000    157:1378    158:1096    159:2261    160:2707    161:1619   
 162:3583    163:1671    164:1762    165:1919    166:1080    167:1761   
 168:3953    169:901     170:4920    171:946     172:3774    173:3012   
 174:997     175:1261    176:3938    177:5379    178:3565    179:2440   
 180:2632    181:3549    182:3363    183:2040    184:2298    185:20928  
 186:5026    187:4575    188:4340    189:4165    190:9443    191:1838   
 192:11062   193:9023    194:7522    195:5482    196:3599    197:2985   
 198:6048    199:6161    200:8201    201:6200    202:10970   203:10595  
 204:4622    205:3734    206:4464    207:3559    208:4210    209:5005   
 210:4756    211:2644    212:4386    213:3548    214:1107    215:57     
 216:6878    217:3020    218:1330    219:609     220:2041    221:986    
 222:856     223:2181   

End of report


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