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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Oct 17 22:42:30 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 17 Oct, 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:                              984719
    Prefixes after maximum aggregation (per Origin AS):          360974
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453914
Total ASes present in the Internet Routing Table:                 75203
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64551
Origin ASes announcing only one prefix:                           25950
Transit ASes present in the Internet Routing Table:               10652
Transit-only ASes present in the Internet Routing Table:            469
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.6
    Max AS path length visible:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1233
    Number of instances of unregistered ASNs:                      1244
Number of 32-bit ASNs allocated by the RIRs:                      42854
Number of 32-bit ASNs visible in the Routing Table:               35370
Prefixes from 32-bit ASNs in the Routing Table:                  184019
Number of bogon 32-bit ASNs visible in the Routing Table:           210
Special use prefixes present in the Routing Table:                   37
Prefixes being announced from unallocated address space:            604
Number of addresses announced to Internet:                   3055417567
    Equivalent to 182 /8s, 29 /16s and 248 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      338375

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

Prefixes being announced by APNIC Region ASes:                   258354
    Total APNIC prefixes after maximum aggregation:               72518
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251642
    Unique aggregates announced from the APNIC address blocks:    98934
APNIC Region origin ASes present in the Internet Routing Table:   13782
    APNIC Prefixes per ASN:                                       18.26
APNIC Region origin ASes announcing only one prefix:               4066
APNIC Region transit ASes present in the Internet Routing Table:   1847
Average APNIC Region AS path length visible:                        5.9
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9072
Number of APNIC addresses announced to Internet:              773994656
    Equivalent to 46 /8s, 34 /16s and 56 /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:                    282200
    Total ARIN prefixes after maximum aggregation:               125638
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285598
    Unique aggregates announced from the ARIN address blocks:    132133
ARIN Region origin ASes present in the Internet Routing Table:    19144
    ARIN Prefixes per ASN:                                        14.92
ARIN Region origin ASes announcing only one prefix:                6956
ARIN Region transit ASes present in the Internet Routing Table:    1906
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4837
Number of ARIN addresses announced to Internet:              1278059584
    Equivalent to 76 /8s, 45 /16s and 164 /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:                    281042
    Total RIPE prefixes after maximum aggregation:               127379
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275224
    Unique aggregates announced from the RIPE address blocks:    160414
RIPE Region origin ASes present in the Internet Routing Table:    28524
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12052
RIPE Region transit ASes present in the Internet Routing Table:    3973
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11424
Number of RIPE addresses announced to Internet:               716619743
    Equivalent to 42 /8s, 182 /16s and 191 /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:                  127731
    Total LACNIC prefixes after maximum aggregation:              28614
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127001
    Unique aggregates announced from the LACNIC address blocks:   49258
LACNIC Region origin ASes present in the Internet Routing Table:  11062
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2289
LACNIC Region transit ASes present in the Internet Routing Table:  2396
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8881
Number of LACNIC addresses announced to Internet:             178530336
    Equivalent to 10 /8s, 164 /16s and 40 /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:                  34159
    Total AfriNIC prefixes after maximum aggregation:              6052
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         44649
    Unique aggregates announced from the AfriNIC address blocks:  12668
AfriNIC Region origin ASes present in the Internet Routing Table:  1814
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              587
AfriNIC Region transit ASes present in the Internet Routing Table:  344
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156
Number of AfriNIC addresses announced to Internet:            107767296
    Equivalent to 6 /8s, 108 /16s and 102 /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        9619       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5710        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5036       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4208        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4022       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3765       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3209        493     245  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2737      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2554        849     378  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9165      11004    3277  AMAZON-02, US
 11492        4540        301     673  CABLEONE, US
  7155        4180        289     101  VIASAT-SP-BACKBONE, US
   174        3889       6663     632  COGENT-174, US
 22773        3643       3062     301  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
 16625        3111       1424    2340  AKAMAI-AS, US
   367        3087       3861    1445  DNIC-ASBLK-00306-00371, US
396982        2705       3598     397  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        8612       1176    2961  TTNET, TR
 12479        7411       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4157       3399     178  AKAMAI-ASN1, NL
  8551        3450        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3106        277    1522  M247, RO
 12389        3003       2295     919  ROSTELECOM-AS, RU
  8452        2566       1852      15  TE-AS TE-AS, EG
  5384        2471        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        365     586  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       11950       3383     604  UNINET, MX
 10620        3538        504     860  Telmex Colombia S.A., CO
 13999        2414        332     626  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1335       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1298        770     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1285        343     509  Axtel, S.A.B. de C.V., MX
  6147        1112        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1051        168     426  Techtel LMDS Comunicaciones Interactiva

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        1880        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1544        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         540         82       3  KENET-AS, KE
 15399         536         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       11950       3383     604  UNINET, MX
  9808        9619       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9165      11004    3277  AMAZON-02, US
 47331        8612       1176    2961  TTNET, TR
 12479        7411       1713     145  UNI2-AS, ES
  7545        5710        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5036       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     673  CABLEONE, US
 18403        4208        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        9619         9521  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7411         7266  UNI2-AS, ES
 16509        9165         5888  AMAZON-02, US
 47331        8612         5651  TTNET, TR
  7545        5710         5014  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5036         4961  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4208         4183  FPT-AS-AP FPT Telecom Company, VN
  7155        4180         4079  VIASAT-SP-BACKBONE, US
 20940        4157         3979  AKAMAI-ASN1, NL

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             17054  EXPEDIENT, US
     53775  UNALLOCATED  8.20.88.0/24              3356  LEVEL3, 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
100.65.6.0/24             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
100.66.9.0/24             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      /10:38      /11:101     /12:301     
/13:583     /14:1214    /15:2149    /16:13678   /17:8592    /18:14769   
/19:25784   /20:45825   /21:54628   /22:114618  /23:107365  /24:590166  
/25:1123    /26:1075    /27:1481    /28:158     /29:237     /30:77      
/31:70      /32:656     

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

   ASN  No of nets  Total ann.  Description
 47331        7730        8612  TTNET, TR
 12479        6497        7411  UNI2-AS, ES
  8151        5961       11950  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3452        4540  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3125        4180  VIASAT-SP-BACKBONE, US
  8551        2927        3450  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2693        3643  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2496  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2254      2:1605      3:265       4:8         5:4591      6:138    
   7:6         8:1613      9:1        11:172      12:1504     13:366    
  14:2407     15:304      16:200      17:372      18:665      20:332    
  21:4        22:188      23:6560     24:2941     25:2        27:2663   
  29:19       31:2696     32:94       34:28       35:119      36:2017   
  37:4619     38:6546     39:872      40:144      41:4830     42:2063   
  43:2407     44:330      45:17518    46:4550     47:380      49:1852   
  50:1912     51:583      52:1622     54:393      55:950      56:5      
  57:135      58:1947     59:1205     60:1013     61:2722     62:2815   
  63:1945     64:5853     65:2396     66:5153     67:3122     68:1370   
  69:4184     70:1395     71:656      72:3033     74:2668     75:1613   
  76:637      77:2429     78:4034     79:3042     80:2167     81:2084   
  82:1593     83:1372     84:1595     85:3913     86:866      87:2281   
  88:2918     89:3986     90:630      91:8014     92:2152     93:2674   
  94:3743     95:5157     96:1338     97:319      98:1124     99:736    
 100:124     101:1333    102:3354    103:32787   104:4807    105:2002   
 106:990     107:2740    108:1154    109:4338    110:2189    111:3182   
 112:2124    113:1809    114:1713    115:2147    116:1951    117:2569   
 118:2759    119:2065    120:1852    121:1250    122:2761    123:2280   
 124:1666    125:2625    128:1570    129:1015    130:1095    131:2062   
 132:975     133:408     134:1790    135:348     136:915     137:1000   
 138:2864    139:1679    140:1314    141:1338    142:1548    143:1606   
 144:1010    145:352     146:2003    147:1634    148:2509    149:2398   
 150:902     151:1258    152:1988    153:594     154:5461    155:1408   
 156:2072    157:1382    158:1066    159:2212    160:2710    161:1626   
 162:3562    163:1687    164:1788    165:1915    166:1086    167:1757   
 168:4028    169:824     170:4884    171:976     172:3816    173:3029   
 174:996     175:1256    176:3780    177:5482    178:3605    179:2432   
 180:2615    181:3546    182:3414    183:2031    184:2293    185:20986  
 186:5048    187:4568    188:4350    189:4227    190:9503    191:1839   
 192:11043   193:9028    194:7534    195:5491    196:3665    197:3046   
 198:6090    199:6323    200:8299    201:6353    202:10974   203:10569  
 204:4616    205:3743    206:4473    207:3575    208:4184    209:4997   
 210:4731    211:2641    212:4399    213:3526    214:1108    215:71     
 216:6892    217:3028    218:1333    219:610     220:2043    221:989    
 222:859     223:2188   

End of report


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